Finding the Third Proportional to 3,953.50 and 8,452.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953.50 : 8,452.79 = 8,452.79 : x
2. Step 2: Convert to fraction form
   3,953.50/8,452.79 = 8,452.79/x
3. Step 3: Cross multiply
   3,953.50x = 8,452.79 × 8,452.79
4. Step 4: Simplify right side
   3,953.50x = 71,449,708.97
5. Step 5: Solve for x
   x = 71,449,708.97/3,953.50
6. Step 6: Final answer
   x = 18,072.54