Finding the Third Proportional to 7,280.50 and 10,981

Step by Step Solution

1. Step 1: Write the proportion equation
   7,280.50 : 10,981 = 10,981 : x
2. Step 2: Convert to fraction form
   7,280.50/10,981 = 10,981/x
3. Step 3: Cross multiply
   7,280.50x = 10,981 × 10,981
4. Step 4: Simplify right side
   7,280.50x = 120,582,361
5. Step 5: Solve for x
   x = 120,582,361/7,280.50
6. Step 6: Final answer
   x = 16,562.37