Finding the Third Proportional to 10,966.50 and 17,660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,966.50 : 17,660.50 = 17,660.50 : x
2. Step 2: Convert to fraction form
   10,966.50/17,660.50 = 17,660.50/x
3. Step 3: Cross multiply
   10,966.50x = 17,660.50 × 17,660.50
4. Step 4: Simplify right side
   10,966.50x = 311,893,260.25
5. Step 5: Solve for x
   x = 311,893,260.25/10,966.50
6. Step 6: Final answer
   x = 28,440.55