Finding the Third Proportional to 8,581.50 and 18,803.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,581.50 : 18,803.25 = 18,803.25 : x
2. Step 2: Convert to fraction form
   8,581.50/18,803.25 = 18,803.25/x
3. Step 3: Cross multiply
   8,581.50x = 18,803.25 × 18,803.25
4. Step 4: Simplify right side
   8,581.50x = 353,562,210.56
5. Step 5: Solve for x
   x = 353,562,210.56/8,581.50
6. Step 6: Final answer
   x = 41,200.51