Finding the Third Proportional to 18,271 and 39,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,271 : 39,456.50 = 39,456.50 : x
2. Step 2: Convert to fraction form
   18,271/39,456.50 = 39,456.50/x
3. Step 3: Cross multiply
   18,271x = 39,456.50 × 39,456.50
4. Step 4: Simplify right side
   18,271x = 1,556,815,392.25
5. Step 5: Solve for x
   x = 1,556,815,392.25/18,271
6. Step 6: Final answer
   x = 85,206.91