Finding the Third Proportional to 40,745.75 and 64,831.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,745.75 : 64,831.25 = 64,831.25 : x
2. Step 2: Convert to fraction form
   40,745.75/64,831.25 = 64,831.25/x
3. Step 3: Cross multiply
   40,745.75x = 64,831.25 × 64,831.25
4. Step 4: Simplify right side
   40,745.75x = 4,203,090,976.56
5. Step 5: Solve for x
   x = 4,203,090,976.56/40,745.75
6. Step 6: Final answer
   x = 103,154.10