Finding the Third Proportional to 3,942,396 and 5,763,921

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942,396 : 5,763,921 = 5,763,921 : x
2. Step 2: Convert to fraction form
   3,942,396/5,763,921 = 5,763,921/x
3. Step 3: Cross multiply
   3,942,396x = 5,763,921 × 5,763,921
4. Step 4: Simplify right side
   3,942,396x = 33,222,785,294,241
5. Step 5: Solve for x
   x = 33,222,785,294,241/3,942,396
6. Step 6: Final answer
   x = 8,427,054.33