Finding the Third Proportional to 12,618 and 13,734

Step by Step Solution

1. Step 1: Write the proportion equation
   12,618 : 13,734 = 13,734 : x
2. Step 2: Convert to fraction form
   12,618/13,734 = 13,734/x
3. Step 3: Cross multiply
   12,618x = 13,734 × 13,734
4. Step 4: Simplify right side
   12,618x = 188,622,756
5. Step 5: Solve for x
   x = 188,622,756/12,618
6. Step 6: Final answer
   x = 14,948.70