Finding the Third Proportional to 60,902,540 and 89,671,602

Step by Step Solution

1. Step 1: Write the proportion equation
   60,902,540 : 89,671,602 = 89,671,602 : x
2. Step 2: Convert to fraction form
   60,902,540/89,671,602 = 89,671,602/x
3. Step 3: Cross multiply
   60,902,540x = 89,671,602 × 89,671,602
4. Step 4: Simplify right side
   60,902,540x = 8,040,996,205,246,404
5. Step 5: Solve for x
   x = 8,040,996,205,246,404/60,902,540
6. Step 6: Final answer
   x = 132,030,555.79