Finding the Third Proportional to 46,438.88 and 76,831.88

Step by Step Solution

1. Step 1: Write the proportion equation
   46,438.88 : 76,831.88 = 76,831.88 : x
2. Step 2: Convert to fraction form
   46,438.88/76,831.88 = 76,831.88/x
3. Step 3: Cross multiply
   46,438.88x = 76,831.88 × 76,831.88
4. Step 4: Simplify right side
   46,438.88x = 5,903,137,016.02
5. Step 5: Solve for x
   x = 5,903,137,016.02/46,438.88
6. Step 6: Final answer
   x = 127,116.28