Finding the Third Proportional to 3,607.31 and 5,411.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.31 : 5,411.25 = 5,411.25 : x
2. Step 2: Convert to fraction form
   3,607.31/5,411.25 = 5,411.25/x
3. Step 3: Cross multiply
   3,607.31x = 5,411.25 × 5,411.25
4. Step 4: Simplify right side
   3,607.31x = 29,281,626.56
5. Step 5: Solve for x
   x = 29,281,626.56/3,607.31
6. Step 6: Final answer
   x = 8,117.30