Finding the Third Proportional to 59,915,488 and 129,060,096

Step by Step Solution

1. Step 1: Write the proportion equation
   59,915,488 : 129,060,096 = 129,060,096 : x
2. Step 2: Convert to fraction form
   59,915,488/129,060,096 = 129,060,096/x
3. Step 3: Cross multiply
   59,915,488x = 129,060,096 × 129,060,096
4. Step 4: Simplify right side
   59,915,488x = 16,656,508,379,529,216
5. Step 5: Solve for x
   x = 16,656,508,379,529,216/59,915,488
6. Step 6: Final answer
   x = 278,000,045.32