Finding the Third Proportional to 69,729,915 and 152,015,142

Step by Step Solution

1. Step 1: Write the proportion equation
   69,729,915 : 152,015,142 = 152,015,142 : x
2. Step 2: Convert to fraction form
   69,729,915/152,015,142 = 152,015,142/x
3. Step 3: Cross multiply
   69,729,915x = 152,015,142 × 152,015,142
4. Step 4: Simplify right side
   69,729,915x = 23,108,603,397,280,164
5. Step 5: Solve for x
   x = 23,108,603,397,280,164/69,729,915
6. Step 6: Final answer
   x = 331,401,571.30