Finding the Third Proportional to 4,413.94 and 9,631.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,413.94 : 9,631.69 = 9,631.69 : x
2. Step 2: Convert to fraction form
   4,413.94/9,631.69 = 9,631.69/x
3. Step 3: Cross multiply
   4,413.94x = 9,631.69 × 9,631.69
4. Step 4: Simplify right side
   4,413.94x = 92,769,404.10
5. Step 5: Solve for x
   x = 92,769,404.10/4,413.94
6. Step 6: Final answer
   x = 21,017.38