Finding the Third Proportional to 8,581.50 and 20,180.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,581.50 : 20,180.25 = 20,180.25 : x
2. Step 2: Convert to fraction form
   8,581.50/20,180.25 = 20,180.25/x
3. Step 3: Cross multiply
   8,581.50x = 20,180.25 × 20,180.25
4. Step 4: Simplify right side
   8,581.50x = 407,242,490.06
5. Step 5: Solve for x
   x = 407,242,490.06/8,581.50
6. Step 6: Final answer
   x = 47,455.86