Finding the Third Proportional to 18,287.75 and 39,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,287.75 : 39,350.50 = 39,350.50 : x
2. Step 2: Convert to fraction form
   18,287.75/39,350.50 = 39,350.50/x
3. Step 3: Cross multiply
   18,287.75x = 39,350.50 × 39,350.50
4. Step 4: Simplify right side
   18,287.75x = 1,548,461,850.25
5. Step 5: Solve for x
   x = 1,548,461,850.25/18,287.75
6. Step 6: Final answer
   x = 84,672.08