Finding the Third Proportional to 66,151.69 and 75,841.31

Step by Step Solution

1. Step 1: Write the proportion equation
   66,151.69 : 75,841.31 = 75,841.31 : x
2. Step 2: Convert to fraction form
   66,151.69/75,841.31 = 75,841.31/x
3. Step 3: Cross multiply
   66,151.69x = 75,841.31 × 75,841.31
4. Step 4: Simplify right side
   66,151.69x = 5,751,904,681.72
5. Step 5: Solve for x
   x = 5,751,904,681.72/66,151.69
6. Step 6: Final answer
   x = 86,950.23