Finding the Third Proportional to 2,559 and 5,482.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559 : 5,482.50 = 5,482.50 : x
2. Step 2: Convert to fraction form
   2,559/5,482.50 = 5,482.50/x
3. Step 3: Cross multiply
   2,559x = 5,482.50 × 5,482.50
4. Step 4: Simplify right side
   2,559x = 30,057,806.25
5. Step 5: Solve for x
   x = 30,057,806.25/2,559
6. Step 6: Final answer
   x = 11,745.92