Finding the Third Proportional to 72,831.25 and 98,400.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,831.25 : 98,400.75 = 98,400.75 : x
2. Step 2: Convert to fraction form
   72,831.25/98,400.75 = 98,400.75/x
3. Step 3: Cross multiply
   72,831.25x = 98,400.75 × 98,400.75
4. Step 4: Simplify right side
   72,831.25x = 9,682,707,600.56
5. Step 5: Solve for x
   x = 9,682,707,600.56/72,831.25
6. Step 6: Final answer
   x = 132,947.16