Finding the Third Proportional to 31,510.50 and 48,792

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510.50 : 48,792 = 48,792 : x
2. Step 2: Convert to fraction form
   31,510.50/48,792 = 48,792/x
3. Step 3: Cross multiply
   31,510.50x = 48,792 × 48,792
4. Step 4: Simplify right side
   31,510.50x = 2,380,659,264
5. Step 5: Solve for x
   x = 2,380,659,264/31,510.50
6. Step 6: Final answer
   x = 75,551.30