Finding the Third Proportional to 16,042.50 and 21,413.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,042.50 : 21,413.25 = 21,413.25 : x
2. Step 2: Convert to fraction form
   16,042.50/21,413.25 = 21,413.25/x
3. Step 3: Cross multiply
   16,042.50x = 21,413.25 × 21,413.25
4. Step 4: Simplify right side
   16,042.50x = 458,527,275.56
5. Step 5: Solve for x
   x = 458,527,275.56/16,042.50
6. Step 6: Final answer
   x = 28,582.03