Finding the Third Proportional to 2,579.75 and 3,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.75 : 3,863.50 = 3,863.50 : x
2. Step 2: Convert to fraction form
   2,579.75/3,863.50 = 3,863.50/x
3. Step 3: Cross multiply
   2,579.75x = 3,863.50 × 3,863.50
4. Step 4: Simplify right side
   2,579.75x = 14,926,632.25
5. Step 5: Solve for x
   x = 14,926,632.25/2,579.75
6. Step 6: Final answer
   x = 5,786.08