Finding the Third Proportional to 13,015.69 and 18,187.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,015.69 : 18,187.03 = 18,187.03 : x
2. Step 2: Convert to fraction form
   13,015.69/18,187.03 = 18,187.03/x
3. Step 3: Cross multiply
   13,015.69x = 18,187.03 × 18,187.03
4. Step 4: Simplify right side
   13,015.69x = 330,768,105.69
5. Step 5: Solve for x
   x = 330,768,105.69/13,015.69
6. Step 6: Final answer
   x = 25,413.03