Finding the Third Proportional to 3,132.42 and 4,391.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,132.42 : 4,391.09 = 4,391.09 : x
2. Step 2: Convert to fraction form
   3,132.42/4,391.09 = 4,391.09/x
3. Step 3: Cross multiply
   3,132.42x = 4,391.09 × 4,391.09
4. Step 4: Simplify right side
   3,132.42x = 19,281,635.71
5. Step 5: Solve for x
   x = 19,281,635.71/3,132.42
6. Step 6: Final answer
   x = 6,155.50