Finding the Third Proportional to 131,721.75 and 283,413.38

Step by Step Solution

1. Step 1: Write the proportion equation
   131,721.75 : 283,413.38 = 283,413.38 : x
2. Step 2: Convert to fraction form
   131,721.75/283,413.38 = 283,413.38/x
3. Step 3: Cross multiply
   131,721.75x = 283,413.38 × 283,413.38
4. Step 4: Simplify right side
   131,721.75x = 80,323,141,128.89
5. Step 5: Solve for x
   x = 80,323,141,128.89/131,721.75
6. Step 6: Final answer
   x = 609,794.06