Finding the Third Proportional to 9,108 and 13,608

Step by Step Solution

1. Step 1: Write the proportion equation
   9,108 : 13,608 = 13,608 : x
2. Step 2: Convert to fraction form
   9,108/13,608 = 13,608/x
3. Step 3: Cross multiply
   9,108x = 13,608 × 13,608
4. Step 4: Simplify right side
   9,108x = 185,177,664
5. Step 5: Solve for x
   x = 185,177,664/9,108
6. Step 6: Final answer
   x = 20,331.32