Finding the Third Proportional to 69,729,912 and 152,015,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,729,912 : 152,015,134.50 = 152,015,134.50 : x
2. Step 2: Convert to fraction form
   69,729,912/152,015,134.50 = 152,015,134.50/x
3. Step 3: Cross multiply
   69,729,912x = 152,015,134.50 × 152,015,134.50
4. Step 4: Simplify right side
   69,729,912x = 23,108,601,117,053,092
5. Step 5: Solve for x
   x = 23,108,601,117,053,092/69,729,912
6. Step 6: Final answer
   x = 331,401,552.85