Finding the Third Proportional to 8,480.50 and 18,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,480.50 : 18,467.50 = 18,467.50 : x
2. Step 2: Convert to fraction form
   8,480.50/18,467.50 = 18,467.50/x
3. Step 3: Cross multiply
   8,480.50x = 18,467.50 × 18,467.50
4. Step 4: Simplify right side
   8,480.50x = 341,048,556.25
5. Step 5: Solve for x
   x = 341,048,556.25/8,480.50
6. Step 6: Final answer
   x = 40,215.62