Finding the Third Proportional to 13,413.94 and 28,561.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,413.94 : 28,561.78 = 28,561.78 : x
2. Step 2: Convert to fraction form
   13,413.94/28,561.78 = 28,561.78/x
3. Step 3: Cross multiply
   13,413.94x = 28,561.78 × 28,561.78
4. Step 4: Simplify right side
   13,413.94x = 815,775,348.17
5. Step 5: Solve for x
   x = 815,775,348.17/13,413.94
6. Step 6: Final answer
   x = 60,815.50