Finding the Third Proportional to 10,418 and 13,917

Step by Step Solution

1. Step 1: Write the proportion equation
   10,418 : 13,917 = 13,917 : x
2. Step 2: Convert to fraction form
   10,418/13,917 = 13,917/x
3. Step 3: Cross multiply
   10,418x = 13,917 × 13,917
4. Step 4: Simplify right side
   10,418x = 193,682,889
5. Step 5: Solve for x
   x = 193,682,889/10,418
6. Step 6: Final answer
   x = 18,591.18