Finding the Third Proportional to 3,192,021 and 4,479,039

Step by Step Solution

1. Step 1: Write the proportion equation
   3,192,021 : 4,479,039 = 4,479,039 : x
2. Step 2: Convert to fraction form
   3,192,021/4,479,039 = 4,479,039/x
3. Step 3: Cross multiply
   3,192,021x = 4,479,039 × 4,479,039
4. Step 4: Simplify right side
   3,192,021x = 20,061,790,363,521
5. Step 5: Solve for x
   x = 20,061,790,363,521/3,192,021
6. Step 6: Final answer
   x = 6,284,980.70