Finding the Third Proportional to 62,223,511.50 and 89,635,403.25

Step by Step Solution

1. Step 1: Write the proportion equation
   62,223,511.50 : 89,635,403.25 = 89,635,403.25 : x
2. Step 2: Convert to fraction form
   62,223,511.50/89,635,403.25 = 89,635,403.25/x
3. Step 3: Cross multiply
   62,223,511.50x = 89,635,403.25 × 89,635,403.25
4. Step 4: Simplify right side
   62,223,511.50x = 8,034,505,515,790,111
5. Step 5: Solve for x
   x = 8,034,505,515,790,111/62,223,511.50
6. Step 6: Final answer
   x = 129,123,306.00