Finding the Third Proportional to 3,920,604 and 8,441,922

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920,604 : 8,441,922 = 8,441,922 : x
2. Step 2: Convert to fraction form
   3,920,604/8,441,922 = 8,441,922/x
3. Step 3: Cross multiply
   3,920,604x = 8,441,922 × 8,441,922
4. Step 4: Simplify right side
   3,920,604x = 71,266,047,054,084
5. Step 5: Solve for x
   x = 71,266,047,054,084/3,920,604
6. Step 6: Final answer
   x = 18,177,313.25