Finding the Third Proportional to 14,640.75 and 31,381.17

Step by Step Solution

1. Step 1: Write the proportion equation
   14,640.75 : 31,381.17 = 31,381.17 : x
2. Step 2: Convert to fraction form
   14,640.75/31,381.17 = 31,381.17/x
3. Step 3: Cross multiply
   14,640.75x = 31,381.17 × 31,381.17
4. Step 4: Simplify right side
   14,640.75x = 984,777,948.25
5. Step 5: Solve for x
   x = 984,777,948.25/14,640.75
6. Step 6: Final answer
   x = 67,262.81