Finding the Third Proportional to 18,443.11 and 39,984.05

Step by Step Solution

1. Step 1: Write the proportion equation
   18,443.11 : 39,984.05 = 39,984.05 : x
2. Step 2: Convert to fraction form
   18,443.11/39,984.05 = 39,984.05/x
3. Step 3: Cross multiply
   18,443.11x = 39,984.05 × 39,984.05
4. Step 4: Simplify right side
   18,443.11x = 1,598,724,004.50
5. Step 5: Solve for x
   x = 1,598,724,004.50/18,443.11
6. Step 6: Final answer
   x = 86,684.08