Finding the Third Proportional to 8,513.25 and 18,581.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,513.25 : 18,581.25 = 18,581.25 : x
2. Step 2: Convert to fraction form
   8,513.25/18,581.25 = 18,581.25/x
3. Step 3: Cross multiply
   8,513.25x = 18,581.25 × 18,581.25
4. Step 4: Simplify right side
   8,513.25x = 345,262,851.56
5. Step 5: Solve for x
   x = 345,262,851.56/8,513.25
6. Step 6: Final answer
   x = 40,555.94