Finding the Third Proportional to 3,920,616 and 8,441,948

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920,616 : 8,441,948 = 8,441,948 : x
2. Step 2: Convert to fraction form
   3,920,616/8,441,948 = 8,441,948/x
3. Step 3: Cross multiply
   3,920,616x = 8,441,948 × 8,441,948
4. Step 4: Simplify right side
   3,920,616x = 71,266,486,034,704
5. Step 5: Solve for x
   x = 71,266,486,034,704/3,920,616
6. Step 6: Final answer
   x = 18,177,369.59