Finding the Third Proportional to 13,920 and 18,162

Step by Step Solution

1. Step 1: Write the proportion equation
   13,920 : 18,162 = 18,162 : x
2. Step 2: Convert to fraction form
   13,920/18,162 = 18,162/x
3. Step 3: Cross multiply
   13,920x = 18,162 × 18,162
4. Step 4: Simplify right side
   13,920x = 329,858,244
5. Step 5: Solve for x
   x = 329,858,244/13,920
6. Step 6: Final answer
   x = 23,696.71