Finding the Third Proportional to 59,915,462 and 129,060,064

Step by Step Solution

1. Step 1: Write the proportion equation
   59,915,462 : 129,060,064 = 129,060,064 : x
2. Step 2: Convert to fraction form
   59,915,462/129,060,064 = 129,060,064/x
3. Step 3: Cross multiply
   59,915,462x = 129,060,064 × 129,060,064
4. Step 4: Simplify right side
   59,915,462x = 16,656,500,119,684,096
5. Step 5: Solve for x
   x = 16,656,500,119,684,096/59,915,462
6. Step 6: Final answer
   x = 278,000,028.10