Finding the Third Proportional to 2,720 and 3,826

Step by Step Solution

1. Step 1: Write the proportion equation
   2,720 : 3,826 = 3,826 : x
2. Step 2: Convert to fraction form
   2,720/3,826 = 3,826/x
3. Step 3: Cross multiply
   2,720x = 3,826 × 3,826
4. Step 4: Simplify right side
   2,720x = 14,638,276
5. Step 5: Solve for x
   x = 14,638,276/2,720
6. Step 6: Final answer
   x = 5,381.72