Finding the Third Proportional to 8,243.25 and 16,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,243.25 : 16,891.50 = 16,891.50 : x
2. Step 2: Convert to fraction form
   8,243.25/16,891.50 = 16,891.50/x
3. Step 3: Cross multiply
   8,243.25x = 16,891.50 × 16,891.50
4. Step 4: Simplify right side
   8,243.25x = 285,322,772.25
5. Step 5: Solve for x
   x = 285,322,772.25/8,243.25
6. Step 6: Final answer
   x = 34,612.90