Finding the Third Proportional to 18,306.56 and 39,954.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,306.56 : 39,954.38 = 39,954.38 : x
2. Step 2: Convert to fraction form
   18,306.56/39,954.38 = 39,954.38/x
3. Step 3: Cross multiply
   18,306.56x = 39,954.38 × 39,954.38
4. Step 4: Simplify right side
   18,306.56x = 1,596,352,081.64
5. Step 5: Solve for x
   x = 1,596,352,081.64/18,306.56
6. Step 6: Final answer
   x = 87,201.08