Finding the Third Proportional to 31,510,744 and 68,399,348

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510,744 : 68,399,348 = 68,399,348 : x
2. Step 2: Convert to fraction form
   31,510,744/68,399,348 = 68,399,348/x
3. Step 3: Cross multiply
   31,510,744x = 68,399,348 × 68,399,348
4. Step 4: Simplify right side
   31,510,744x = 4,678,470,806,825,104
5. Step 5: Solve for x
   x = 4,678,470,806,825,104/31,510,744
6. Step 6: Final answer
   x = 148,472,241.94