Finding the Third Proportional to 6,630 and 10,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,630 : 10,417.50 = 10,417.50 : x
2. Step 2: Convert to fraction form
   6,630/10,417.50 = 10,417.50/x
3. Step 3: Cross multiply
   6,630x = 10,417.50 × 10,417.50
4. Step 4: Simplify right side
   6,630x = 108,524,306.25
5. Step 5: Solve for x
   x = 108,524,306.25/6,630
6. Step 6: Final answer
   x = 16,368.67