Finding the Third Proportional to 59,920,722 and 128,942,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,920,722 : 128,942,356.50 = 128,942,356.50 : x
2. Step 2: Convert to fraction form
   59,920,722/128,942,356.50 = 128,942,356.50/x
3. Step 3: Cross multiply
   59,920,722x = 128,942,356.50 × 128,942,356.50
4. Step 4: Simplify right side
   59,920,722x = 16,626,131,299,773,092
5. Step 5: Solve for x
   x = 16,626,131,299,773,092/59,920,722
6. Step 6: Final answer
   x = 277,468,807.87