Finding the Third Proportional to 18,365.25 and 39,841.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,365.25 : 39,841.50 = 39,841.50 : x
2. Step 2: Convert to fraction form
   18,365.25/39,841.50 = 39,841.50/x
3. Step 3: Cross multiply
   18,365.25x = 39,841.50 × 39,841.50
4. Step 4: Simplify right side
   18,365.25x = 1,587,345,122.25
5. Step 5: Solve for x
   x = 1,587,345,122.25/18,365.25
6. Step 6: Final answer
   x = 86,431.99