Finding the Third Proportional to 2,520 and 3,559.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520 : 3,559.75 = 3,559.75 : x
2. Step 2: Convert to fraction form
   2,520/3,559.75 = 3,559.75/x
3. Step 3: Cross multiply
   2,520x = 3,559.75 × 3,559.75
4. Step 4: Simplify right side
   2,520x = 12,671,820.06
5. Step 5: Solve for x
   x = 12,671,820.06/2,520
6. Step 6: Final answer
   x = 5,028.50