Finding the Third Proportional to 12,162 and 17,391

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162 : 17,391 = 17,391 : x
2. Step 2: Convert to fraction form
   12,162/17,391 = 17,391/x
3. Step 3: Cross multiply
   12,162x = 17,391 × 17,391
4. Step 4: Simplify right side
   12,162x = 302,446,881
5. Step 5: Solve for x
   x = 302,446,881/12,162
6. Step 6: Final answer
   x = 24,868.19