Finding the Third Proportional to 2,618 and 3,722

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618 : 3,722 = 3,722 : x
2. Step 2: Convert to fraction form
   2,618/3,722 = 3,722/x
3. Step 3: Cross multiply
   2,618x = 3,722 × 3,722
4. Step 4: Simplify right side
   2,618x = 13,853,284
5. Step 5: Solve for x
   x = 13,853,284/2,618
6. Step 6: Final answer
   x = 5,291.55