Finding the Third Proportional to 3,943.25 and 8,091.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.25 : 8,091.25 = 8,091.25 : x
2. Step 2: Convert to fraction form
   3,943.25/8,091.25 = 8,091.25/x
3. Step 3: Cross multiply
   3,943.25x = 8,091.25 × 8,091.25
4. Step 4: Simplify right side
   3,943.25x = 65,468,326.56
5. Step 5: Solve for x
   x = 65,468,326.56/3,943.25
6. Step 6: Final answer
   x = 16,602.63