Finding the Third Proportional to 9,800 and 11,144

Step by Step Solution

1. Step 1: Write the proportion equation
   9,800 : 11,144 = 11,144 : x
2. Step 2: Convert to fraction form
   9,800/11,144 = 11,144/x
3. Step 3: Cross multiply
   9,800x = 11,144 × 11,144
4. Step 4: Simplify right side
   9,800x = 124,188,736
5. Step 5: Solve for x
   x = 124,188,736/9,800
6. Step 6: Final answer
   x = 12,672.32