Finding the Third Proportional to 13,608 and 15,144

Step by Step Solution

1. Step 1: Write the proportion equation
   13,608 : 15,144 = 15,144 : x
2. Step 2: Convert to fraction form
   13,608/15,144 = 15,144/x
3. Step 3: Cross multiply
   13,608x = 15,144 × 15,144
4. Step 4: Simplify right side
   13,608x = 229,340,736
5. Step 5: Solve for x
   x = 229,340,736/13,608
6. Step 6: Final answer
   x = 16,853.38