Finding the Third Proportional to 57,452.63 and 85,831.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,452.63 : 85,831.31 = 85,831.31 : x
2. Step 2: Convert to fraction form
   57,452.63/85,831.31 = 85,831.31/x
3. Step 3: Cross multiply
   57,452.63x = 85,831.31 × 85,831.31
4. Step 4: Simplify right side
   57,452.63x = 7,367,014,205.47
5. Step 5: Solve for x
   x = 7,367,014,205.47/57,452.63
6. Step 6: Final answer
   x = 128,227.63