Finding the Third Proportional to 3,559.50 and 5,474.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559.50 : 5,474.25 = 5,474.25 : x
2. Step 2: Convert to fraction form
   3,559.50/5,474.25 = 5,474.25/x
3. Step 3: Cross multiply
   3,559.50x = 5,474.25 × 5,474.25
4. Step 4: Simplify right side
   3,559.50x = 29,967,413.06
5. Step 5: Solve for x
   x = 29,967,413.06/3,559.50
6. Step 6: Final answer
   x = 8,419.00