Finding the Third Proportional to 13,686 and 14,910

Step by Step Solution

1. Step 1: Write the proportion equation
   13,686 : 14,910 = 14,910 : x
2. Step 2: Convert to fraction form
   13,686/14,910 = 14,910/x
3. Step 3: Cross multiply
   13,686x = 14,910 × 14,910
4. Step 4: Simplify right side
   13,686x = 222,308,100
5. Step 5: Solve for x
   x = 222,308,100/13,686
6. Step 6: Final answer
   x = 16,243.47