Finding the Third Proportional to 8,867 and 13,910

Step by Step Solution

1. Step 1: Write the proportion equation
   8,867 : 13,910 = 13,910 : x
2. Step 2: Convert to fraction form
   8,867/13,910 = 13,910/x
3. Step 3: Cross multiply
   8,867x = 13,910 × 13,910
4. Step 4: Simplify right side
   8,867x = 193,488,100
5. Step 5: Solve for x
   x = 193,488,100/8,867
6. Step 6: Final answer
   x = 21,821.15