Finding the Third Proportional to 16,427.81 and 25,413.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,427.81 : 25,413.75 = 25,413.75 : x
2. Step 2: Convert to fraction form
   16,427.81/25,413.75 = 25,413.75/x
3. Step 3: Cross multiply
   16,427.81x = 25,413.75 × 25,413.75
4. Step 4: Simplify right side
   16,427.81x = 645,858,689.06
5. Step 5: Solve for x
   x = 645,858,689.06/16,427.81
6. Step 6: Final answer
   x = 39,314.95