Finding the Third Proportional to 3,801.25 and 8,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801.25 : 8,168.50 = 8,168.50 : x
2. Step 2: Convert to fraction form
   3,801.25/8,168.50 = 8,168.50/x
3. Step 3: Cross multiply
   3,801.25x = 8,168.50 × 8,168.50
4. Step 4: Simplify right side
   3,801.25x = 66,724,392.25
5. Step 5: Solve for x
   x = 66,724,392.25/3,801.25
6. Step 6: Final answer
   x = 17,553.28