Finding the Third Proportional to 31,733,272 and 68,748,608

Step by Step Solution

1. Step 1: Write the proportion equation
   31,733,272 : 68,748,608 = 68,748,608 : x
2. Step 2: Convert to fraction form
   31,733,272/68,748,608 = 68,748,608/x
3. Step 3: Cross multiply
   31,733,272x = 68,748,608 × 68,748,608
4. Step 4: Simplify right side
   31,733,272x = 4,726,371,101,937,664
5. Step 5: Solve for x
   x = 4,726,371,101,937,664/31,733,272
6. Step 6: Final answer
   x = 148,940,553.69