Finding the Third Proportional to 6,648 and 10,660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648 : 10,660.50 = 10,660.50 : x
2. Step 2: Convert to fraction form
   6,648/10,660.50 = 10,660.50/x
3. Step 3: Cross multiply
   6,648x = 10,660.50 × 10,660.50
4. Step 4: Simplify right side
   6,648x = 113,646,260.25
5. Step 5: Solve for x
   x = 113,646,260.25/6,648
6. Step 6: Final answer
   x = 17,094.80