Finding the Third Proportional to 4,796.72 and 9,831.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,796.72 : 9,831.09 = 9,831.09 : x
2. Step 2: Convert to fraction form
   4,796.72/9,831.09 = 9,831.09/x
3. Step 3: Cross multiply
   4,796.72x = 9,831.09 × 9,831.09
4. Step 4: Simplify right side
   4,796.72x = 96,650,404.32
5. Step 5: Solve for x
   x = 96,650,404.32/4,796.72
6. Step 6: Final answer
   x = 20,149.27