Finding the Third Proportional to 9,418 and 13,839

Step by Step Solution

1. Step 1: Write the proportion equation
   9,418 : 13,839 = 13,839 : x
2. Step 2: Convert to fraction form
   9,418/13,839 = 13,839/x
3. Step 3: Cross multiply
   9,418x = 13,839 × 13,839
4. Step 4: Simplify right side
   9,418x = 191,517,921
5. Step 5: Solve for x
   x = 191,517,921/9,418
6. Step 6: Final answer
   x = 20,335.31