Finding the Third Proportional to 60,902,542 and 89,671,605

Step by Step Solution

1. Step 1: Write the proportion equation
   60,902,542 : 89,671,605 = 89,671,605 : x
2. Step 2: Convert to fraction form
   60,902,542/89,671,605 = 89,671,605/x
3. Step 3: Cross multiply
   60,902,542x = 89,671,605 × 89,671,605
4. Step 4: Simplify right side
   60,902,542x = 8,040,996,743,276,025
5. Step 5: Solve for x
   x = 8,040,996,743,276,025/60,902,542
6. Step 6: Final answer
   x = 132,030,560.29