Finding the Third Proportional to 31,330 and 45,745

Step by Step Solution

1. Step 1: Write the proportion equation
   31,330 : 45,745 = 45,745 : x
2. Step 2: Convert to fraction form
   31,330/45,745 = 45,745/x
3. Step 3: Cross multiply
   31,330x = 45,745 × 45,745
4. Step 4: Simplify right side
   31,330x = 2,092,605,025
5. Step 5: Solve for x
   x = 2,092,605,025/31,330
6. Step 6: Final answer
   x = 66,792.37