Finding the Third Proportional to 69,729,976 and 152,015,256

Step by Step Solution

1. Step 1: Write the proportion equation
   69,729,976 : 152,015,256 = 152,015,256 : x
2. Step 2: Convert to fraction form
   69,729,976/152,015,256 = 152,015,256/x
3. Step 3: Cross multiply
   69,729,976x = 152,015,256 × 152,015,256
4. Step 4: Simplify right side
   69,729,976x = 23,108,638,056,745,536
5. Step 5: Solve for x
   x = 23,108,638,056,745,536/69,729,976
6. Step 6: Final answer
   x = 331,401,778.44