Finding the Third Proportional to 31,747,224 and 68,906,544

Step by Step Solution

1. Step 1: Write the proportion equation
   31,747,224 : 68,906,544 = 68,906,544 : x
2. Step 2: Convert to fraction form
   31,747,224/68,906,544 = 68,906,544/x
3. Step 3: Cross multiply
   31,747,224x = 68,906,544 × 68,906,544
4. Step 4: Simplify right side
   31,747,224x = 4,748,111,806,023,936
5. Step 5: Solve for x
   x = 4,748,111,806,023,936/31,747,224
6. Step 6: Final answer
   x = 149,559,905.02