Finding the Third Proportional to 3,942,408 and 5,763,939

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942,408 : 5,763,939 = 5,763,939 : x
2. Step 2: Convert to fraction form
   3,942,408/5,763,939 = 5,763,939/x
3. Step 3: Cross multiply
   3,942,408x = 5,763,939 × 5,763,939
4. Step 4: Simplify right side
   3,942,408x = 33,222,992,795,721
5. Step 5: Solve for x
   x = 33,222,992,795,721/3,942,408
6. Step 6: Final answer
   x = 8,427,081.32