Finding the Third Proportional to 18,452.81 and 39,571.03

Step by Step Solution

1. Step 1: Write the proportion equation
   18,452.81 : 39,571.03 = 39,571.03 : x
2. Step 2: Convert to fraction form
   18,452.81/39,571.03 = 39,571.03/x
3. Step 3: Cross multiply
   18,452.81x = 39,571.03 × 39,571.03
4. Step 4: Simplify right side
   18,452.81x = 1,565,866,514.19
5. Step 5: Solve for x
   x = 1,565,866,514.19/18,452.81
6. Step 6: Final answer
   x = 84,857.88