Finding the Third Proportional to 745,298 and 1,616,644

Step by Step Solution

1. Step 1: Write the proportion equation
   745,298 : 1,616,644 = 1,616,644 : x
2. Step 2: Convert to fraction form
   745,298/1,616,644 = 1,616,644/x
3. Step 3: Cross multiply
   745,298x = 1,616,644 × 1,616,644
4. Step 4: Simplify right side
   745,298x = 2,613,537,822,736
5. Step 5: Solve for x
   x = 2,613,537,822,736/745,298
6. Step 6: Final answer
   x = 3,506,701.78