Finding the Third Proportional to 16,413.63 and 36,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,413.63 : 36,018.50 = 36,018.50 : x
2. Step 2: Convert to fraction form
   16,413.63/36,018.50 = 36,018.50/x
3. Step 3: Cross multiply
   16,413.63x = 36,018.50 × 36,018.50
4. Step 4: Simplify right side
   16,413.63x = 1,297,332,342.25
5. Step 5: Solve for x
   x = 1,297,332,342.25/16,413.63
6. Step 6: Final answer
   x = 79,039.96