Proposal essay offers an idea with a brief research and academic evidence meant to help an audience understand whether particular idea is good enough or lacks validity. Proposal assignments are usually written by students majoring in Economics, Business Management, and Engineering. As an example, there may be financial business plan project or complex architecture research that provides innovative solutions. Speaking of outline, it represents scientific essay writing format with brief introduction of a subject leading to thesis statement, which acts as a proposal. Before such assignment is written, it is necessary to outline several points that would tell why chosen idea is relevant to the problem, what exactly it tries to do, and why offered solution is the most efficient.