Finding the Third Proportional to 4,622.06 and 9,819.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,622.06 : 9,819.56 = 9,819.56 : x
2. Step 2: Convert to fraction form
   4,622.06/9,819.56 = 9,819.56/x
3. Step 3: Cross multiply
   4,622.06x = 9,819.56 × 9,819.56
4. Step 4: Simplify right side
   4,622.06x = 96,423,807.69
5. Step 5: Solve for x
   x = 96,423,807.69/4,622.06
6. Step 6: Final answer
   x = 20,861.64