Finding the Third Proportional to 9,231 and 10,839

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231 : 10,839 = 10,839 : x
2. Step 2: Convert to fraction form
   9,231/10,839 = 10,839/x
3. Step 3: Cross multiply
   9,231x = 10,839 × 10,839
4. Step 4: Simplify right side
   9,231x = 117,483,921
5. Step 5: Solve for x
   x = 117,483,921/9,231
6. Step 6: Final answer
   x = 12,727.11