Finding the Third Proportional to 3,871.55 and 9,819.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.55 : 9,819.35 = 9,819.35 : x
2. Step 2: Convert to fraction form
   3,871.55/9,819.35 = 9,819.35/x
3. Step 3: Cross multiply
   3,871.55x = 9,819.35 × 9,819.35
4. Step 4: Simplify right side
   3,871.55x = 96,419,665.11
5. Step 5: Solve for x
   x = 96,419,665.11/3,871.55
6. Step 6: Final answer
   x = 24,904.69