Finding the Third Proportional to 57,766,842 and 89,735,398

Step by Step Solution

1. Step 1: Write the proportion equation
   57,766,842 : 89,735,398 = 89,735,398 : x
2. Step 2: Convert to fraction form
   57,766,842/89,735,398 = 89,735,398/x
3. Step 3: Cross multiply
   57,766,842x = 89,735,398 × 89,735,398
4. Step 4: Simplify right side
   57,766,842x = 8,052,441,654,218,404
5. Step 5: Solve for x
   x = 8,052,441,654,218,404/57,766,842
6. Step 6: Final answer
   x = 139,395,566.30