Finding the Third Proportional to 3,409.31 and 7,162.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,409.31 : 7,162.88 = 7,162.88 : x
2. Step 2: Convert to fraction form
   3,409.31/7,162.88 = 7,162.88/x
3. Step 3: Cross multiply
   3,409.31x = 7,162.88 × 7,162.88
4. Step 4: Simplify right side
   3,409.31x = 51,306,778.27
5. Step 5: Solve for x
   x = 51,306,778.27/3,409.31
6. Step 6: Final answer
   x = 15,049.01