Finding the Third Proportional to 31,747,192 and 68,906,464

Step by Step Solution

1. Step 1: Write the proportion equation
   31,747,192 : 68,906,464 = 68,906,464 : x
2. Step 2: Convert to fraction form
   31,747,192/68,906,464 = 68,906,464/x
3. Step 3: Cross multiply
   31,747,192x = 68,906,464 × 68,906,464
4. Step 4: Simplify right side
   31,747,192x = 4,748,100,780,983,296
5. Step 5: Solve for x
   x = 4,748,100,780,983,296/31,747,192
6. Step 6: Final answer
   x = 149,559,708.49