Finding the Third Proportional to 8,920 and 10,144

Step by Step Solution

1. Step 1: Write the proportion equation
   8,920 : 10,144 = 10,144 : x
2. Step 2: Convert to fraction form
   8,920/10,144 = 10,144/x
3. Step 3: Cross multiply
   8,920x = 10,144 × 10,144
4. Step 4: Simplify right side
   8,920x = 102,900,736
5. Step 5: Solve for x
   x = 102,900,736/8,920
6. Step 6: Final answer
   x = 11,535.96