Finding the Third Proportional to 3,483.75 and 8,425.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,483.75 : 8,425.88 = 8,425.88 : x
2. Step 2: Convert to fraction form
   3,483.75/8,425.88 = 8,425.88/x
3. Step 3: Cross multiply
   3,483.75x = 8,425.88 × 8,425.88
4. Step 4: Simplify right side
   3,483.75x = 70,995,369.52
5. Step 5: Solve for x
   x = 70,995,369.52/3,483.75
6. Step 6: Final answer
   x = 20,379.01