Finding the Third Proportional to 2,800.50 and 4,185.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.50 : 4,185.75 = 4,185.75 : x
2. Step 2: Convert to fraction form
   2,800.50/4,185.75 = 4,185.75/x
3. Step 3: Cross multiply
   2,800.50x = 4,185.75 × 4,185.75
4. Step 4: Simplify right side
   2,800.50x = 17,520,503.06
5. Step 5: Solve for x
   x = 17,520,503.06/2,800.50
6. Step 6: Final answer
   x = 6,256.21