Finding the Third Proportional to 8,273.25 and 12,804.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,273.25 : 12,804.75 = 12,804.75 : x
2. Step 2: Convert to fraction form
   8,273.25/12,804.75 = 12,804.75/x
3. Step 3: Cross multiply
   8,273.25x = 12,804.75 × 12,804.75
4. Step 4: Simplify right side
   8,273.25x = 163,961,622.56
5. Step 5: Solve for x
   x = 163,961,622.56/8,273.25
6. Step 6: Final answer
   x = 19,818.28