Finding the Third Proportional to 7,932 and 12,108

Step by Step Solution

1. Step 1: Write the proportion equation
   7,932 : 12,108 = 12,108 : x
2. Step 2: Convert to fraction form
   7,932/12,108 = 12,108/x
3. Step 3: Cross multiply
   7,932x = 12,108 × 12,108
4. Step 4: Simplify right side
   7,932x = 146,603,664
5. Step 5: Solve for x
   x = 146,603,664/7,932
6. Step 6: Final answer
   x = 18,482.56