Finding the Third Proportional to 8,530 and 12,496

Step by Step Solution

1. Step 1: Write the proportion equation
   8,530 : 12,496 = 12,496 : x
2. Step 2: Convert to fraction form
   8,530/12,496 = 12,496/x
3. Step 3: Cross multiply
   8,530x = 12,496 × 12,496
4. Step 4: Simplify right side
   8,530x = 156,150,016
5. Step 5: Solve for x
   x = 156,150,016/8,530
6. Step 6: Final answer
   x = 18,305.98