Finding the Third Proportional to 12,231 and 13,338

Step by Step Solution

1. Step 1: Write the proportion equation
   12,231 : 13,338 = 13,338 : x
2. Step 2: Convert to fraction form
   12,231/13,338 = 13,338/x
3. Step 3: Cross multiply
   12,231x = 13,338 × 13,338
4. Step 4: Simplify right side
   12,231x = 177,902,244
5. Step 5: Solve for x
   x = 177,902,244/12,231
6. Step 6: Final answer
   x = 14,545.19