Finding the Third Proportional to 3,851.13 and 5,503.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851.13 : 5,503.25 = 5,503.25 : x
2. Step 2: Convert to fraction form
   3,851.13/5,503.25 = 5,503.25/x
3. Step 3: Cross multiply
   3,851.13x = 5,503.25 × 5,503.25
4. Step 4: Simplify right side
   3,851.13x = 30,285,760.56
5. Step 5: Solve for x
   x = 30,285,760.56/3,851.13
6. Step 6: Final answer
   x = 7,864.13