Finding the Third Proportional to 42,923.81 and 65,661.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,923.81 : 65,661.75 = 65,661.75 : x
2. Step 2: Convert to fraction form
   42,923.81/65,661.75 = 65,661.75/x
3. Step 3: Cross multiply
   42,923.81x = 65,661.75 × 65,661.75
4. Step 4: Simplify right side
   42,923.81x = 4,311,465,413.06
5. Step 5: Solve for x
   x = 4,311,465,413.06/42,923.81
6. Step 6: Final answer
   x = 100,444.61