Finding the Third Proportional to 12,164 and 17,578

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164 : 17,578 = 17,578 : x
2. Step 2: Convert to fraction form
   12,164/17,578 = 17,578/x
3. Step 3: Cross multiply
   12,164x = 17,578 × 17,578
4. Step 4: Simplify right side
   12,164x = 308,986,084
5. Step 5: Solve for x
   x = 308,986,084/12,164
6. Step 6: Final answer
   x = 25,401.68