Finding the Third Proportional to 2,713.50 and 3,638.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.50 : 3,638.25 = 3,638.25 : x
2. Step 2: Convert to fraction form
   2,713.50/3,638.25 = 3,638.25/x
3. Step 3: Cross multiply
   2,713.50x = 3,638.25 × 3,638.25
4. Step 4: Simplify right side
   2,713.50x = 13,236,863.06
5. Step 5: Solve for x
   x = 13,236,863.06/2,713.50
6. Step 6: Final answer
   x = 4,878.15