Finding the Third Proportional to 59,413.50 and 138,783.38

Step by Step Solution

1. Step 1: Write the proportion equation
   59,413.50 : 138,783.38 = 138,783.38 : x
2. Step 2: Convert to fraction form
   59,413.50/138,783.38 = 138,783.38/x
3. Step 3: Cross multiply
   59,413.50x = 138,783.38 × 138,783.38
4. Step 4: Simplify right side
   59,413.50x = 19,260,825,176.39
5. Step 5: Solve for x
   x = 19,260,825,176.39/59,413.50
6. Step 6: Final answer
   x = 324,182.64