Finding the Third Proportional to 15,413.50 and 33,131

Step by Step Solution

1. Step 1: Write the proportion equation
   15,413.50 : 33,131 = 33,131 : x
2. Step 2: Convert to fraction form
   15,413.50/33,131 = 33,131/x
3. Step 3: Cross multiply
   15,413.50x = 33,131 × 33,131
4. Step 4: Simplify right side
   15,413.50x = 1,097,663,161
5. Step 5: Solve for x
   x = 1,097,663,161/15,413.50
6. Step 6: Final answer
   x = 71,214.40