Finding the Third Proportional to 4,436,424 and 9,082,638

Step by Step Solution

1. Step 1: Write the proportion equation
   4,436,424 : 9,082,638 = 9,082,638 : x
2. Step 2: Convert to fraction form
   4,436,424/9,082,638 = 9,082,638/x
3. Step 3: Cross multiply
   4,436,424x = 9,082,638 × 9,082,638
4. Step 4: Simplify right side
   4,436,424x = 82,494,313,039,044
5. Step 5: Solve for x
   x = 82,494,313,039,044/4,436,424
6. Step 6: Final answer
   x = 18,594,776.57