Finding the Third Proportional to 11,487 and 17,231

Step by Step Solution

1. Step 1: Write the proportion equation
   11,487 : 17,231 = 17,231 : x
2. Step 2: Convert to fraction form
   11,487/17,231 = 17,231/x
3. Step 3: Cross multiply
   11,487x = 17,231 × 17,231
4. Step 4: Simplify right side
   11,487x = 296,907,361
5. Step 5: Solve for x
   x = 296,907,361/11,487
6. Step 6: Final answer
   x = 25,847.25