Finding the Third Proportional to 2,618 and 3,708

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618 : 3,708 = 3,708 : x
2. Step 2: Convert to fraction form
   2,618/3,708 = 3,708/x
3. Step 3: Cross multiply
   2,618x = 3,708 × 3,708
4. Step 4: Simplify right side
   2,618x = 13,749,264
5. Step 5: Solve for x
   x = 13,749,264/2,618
6. Step 6: Final answer
   x = 5,251.82