Finding the Third Proportional to 3,324.80 and 7,216.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,324.80 : 7,216.17 = 7,216.17 : x
2. Step 2: Convert to fraction form
   3,324.80/7,216.17 = 7,216.17/x
3. Step 3: Cross multiply
   3,324.80x = 7,216.17 × 7,216.17
4. Step 4: Simplify right side
   3,324.80x = 52,073,136.53
5. Step 5: Solve for x
   x = 52,073,136.53/3,324.80
6. Step 6: Final answer
   x = 15,662.05