Finding the Third Proportional to 10,966.50 and 17,660.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,966.50 : 17,660.81 = 17,660.81 : x
2. Step 2: Convert to fraction form
   10,966.50/17,660.81 = 17,660.81/x
3. Step 3: Cross multiply
   10,966.50x = 17,660.81 × 17,660.81
4. Step 4: Simplify right side
   10,966.50x = 311,904,298.16
5. Step 5: Solve for x
   x = 311,904,298.16/10,966.50
6. Step 6: Final answer
   x = 28,441.55