Finding the Third Proportional to 31,392.56 and 48,831.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,392.56 : 48,831.61 = 48,831.61 : x
2. Step 2: Convert to fraction form
   31,392.56/48,831.61 = 48,831.61/x
3. Step 3: Cross multiply
   31,392.56x = 48,831.61 × 48,831.61
4. Step 4: Simplify right side
   31,392.56x = 2,384,526,074.15
5. Step 5: Solve for x
   x = 2,384,526,074.15/31,392.56
6. Step 6: Final answer
   x = 75,958.31