Finding the Third Proportional to 8,509.50 and 17,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,509.50 : 17,449.50 = 17,449.50 : x
2. Step 2: Convert to fraction form
   8,509.50/17,449.50 = 17,449.50/x
3. Step 3: Cross multiply
   8,509.50x = 17,449.50 × 17,449.50
4. Step 4: Simplify right side
   8,509.50x = 304,485,050.25
5. Step 5: Solve for x
   x = 304,485,050.25/8,509.50
6. Step 6: Final answer
   x = 35,781.78