Finding the Third Proportional to 12,159 and 17,386

Step by Step Solution

1. Step 1: Write the proportion equation
   12,159 : 17,386 = 17,386 : x
2. Step 2: Convert to fraction form
   12,159/17,386 = 17,386/x
3. Step 3: Cross multiply
   12,159x = 17,386 × 17,386
4. Step 4: Simplify right side
   12,159x = 302,272,996
5. Step 5: Solve for x
   x = 302,272,996/12,159
6. Step 6: Final answer
   x = 24,860.02