Finding the Third Proportional to 12,404 and 18,147

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404 : 18,147 = 18,147 : x
2. Step 2: Convert to fraction form
   12,404/18,147 = 18,147/x
3. Step 3: Cross multiply
   12,404x = 18,147 × 18,147
4. Step 4: Simplify right side
   12,404x = 329,313,609
5. Step 5: Solve for x
   x = 329,313,609/12,404
6. Step 6: Final answer
   x = 26,548.98