Finding the Third Proportional to 4,819.92 and 10,253.67

Step by Step Solution

1. Step 1: Write the proportion equation
   4,819.92 : 10,253.67 = 10,253.67 : x
2. Step 2: Convert to fraction form
   4,819.92/10,253.67 = 10,253.67/x
3. Step 3: Cross multiply
   4,819.92x = 10,253.67 × 10,253.67
4. Step 4: Simplify right side
   4,819.92x = 105,137,786.92
5. Step 5: Solve for x
   x = 105,137,786.92/4,819.92
6. Step 6: Final answer
   x = 21,813.17