Finding the Third Proportional to 8,720 and 10,496

Step by Step Solution

1. Step 1: Write the proportion equation
   8,720 : 10,496 = 10,496 : x
2. Step 2: Convert to fraction form
   8,720/10,496 = 10,496/x
3. Step 3: Cross multiply
   8,720x = 10,496 × 10,496
4. Step 4: Simplify right side
   8,720x = 110,166,016
5. Step 5: Solve for x
   x = 110,166,016/8,720
6. Step 6: Final answer
   x = 12,633.72