Finding the Third Proportional to 8,413.50 and 13,065

Step by Step Solution

1. Step 1: Write the proportion equation
   8,413.50 : 13,065 = 13,065 : x
2. Step 2: Convert to fraction form
   8,413.50/13,065 = 13,065/x
3. Step 3: Cross multiply
   8,413.50x = 13,065 × 13,065
4. Step 4: Simplify right side
   8,413.50x = 170,694,225
5. Step 5: Solve for x
   x = 170,694,225/8,413.50
6. Step 6: Final answer
   x = 20,288.14