Finding the Third Proportional to 3,616.31 and 5,472.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616.31 : 5,472.56 = 5,472.56 : x
2. Step 2: Convert to fraction form
   3,616.31/5,472.56 = 5,472.56/x
3. Step 3: Cross multiply
   3,616.31x = 5,472.56 × 5,472.56
4. Step 4: Simplify right side
   3,616.31x = 29,948,940.32
5. Step 5: Solve for x
   x = 29,948,940.32/3,616.31
6. Step 6: Final answer
   x = 8,281.62