Finding the Third Proportional to 2,831.20 and 3,352.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.20 : 3,352.01 = 3,352.01 : x
2. Step 2: Convert to fraction form
   2,831.20/3,352.01 = 3,352.01/x
3. Step 3: Cross multiply
   2,831.20x = 3,352.01 × 3,352.01
4. Step 4: Simplify right side
   2,831.20x = 11,235,956.38
5. Step 5: Solve for x
   x = 11,235,956.38/2,831.20
6. Step 6: Final answer
   x = 3,968.62