Finding the Third Proportional to 40,366.69 and 55,413.28

Step by Step Solution

1. Step 1: Write the proportion equation
   40,366.69 : 55,413.28 = 55,413.28 : x
2. Step 2: Convert to fraction form
   40,366.69/55,413.28 = 55,413.28/x
3. Step 3: Cross multiply
   40,366.69x = 55,413.28 × 55,413.28
4. Step 4: Simplify right side
   40,366.69x = 3,070,631,738.89
5. Step 5: Solve for x
   x = 3,070,631,738.89/40,366.69
6. Step 6: Final answer
   x = 76,068.46