Finding the Third Proportional to 31,283.72 and 48,480.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,283.72 : 48,480.61 = 48,480.61 : x
2. Step 2: Convert to fraction form
   31,283.72/48,480.61 = 48,480.61/x
3. Step 3: Cross multiply
   31,283.72x = 48,480.61 × 48,480.61
4. Step 4: Simplify right side
   31,283.72x = 2,350,369,485.37
5. Step 5: Solve for x
   x = 2,350,369,485.37/31,283.72
6. Step 6: Final answer
   x = 75,130.76