Finding the Third Proportional to 69,729,915 and 152,015,139

Step by Step Solution

1. Step 1: Write the proportion equation
   69,729,915 : 152,015,139 = 152,015,139 : x
2. Step 2: Convert to fraction form
   69,729,915/152,015,139 = 152,015,139/x
3. Step 3: Cross multiply
   69,729,915x = 152,015,139 × 152,015,139
4. Step 4: Simplify right side
   69,729,915x = 23,108,602,485,189,320
5. Step 5: Solve for x
   x = 23,108,602,485,189,320/69,729,915
6. Step 6: Final answer
   x = 331,401,558.21