Finding the Third Proportional to 8,413.03 and 13,198.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,413.03 : 13,198.78 = 13,198.78 : x
2. Step 2: Convert to fraction form
   8,413.03/13,198.78 = 13,198.78/x
3. Step 3: Cross multiply
   8,413.03x = 13,198.78 × 13,198.78
4. Step 4: Simplify right side
   8,413.03x = 174,207,826.49
5. Step 5: Solve for x
   x = 174,207,826.49/8,413.03
6. Step 6: Final answer
   x = 20,706.90