Finding the Third Proportional to 10,799.50 and 16,660

Step by Step Solution

1. Step 1: Write the proportion equation
   10,799.50 : 16,660 = 16,660 : x
2. Step 2: Convert to fraction form
   10,799.50/16,660 = 16,660/x
3. Step 3: Cross multiply
   10,799.50x = 16,660 × 16,660
4. Step 4: Simplify right side
   10,799.50x = 277,555,600
5. Step 5: Solve for x
   x = 277,555,600/10,799.50
6. Step 6: Final answer
   x = 25,700.78