Finding the Third Proportional to 3,942,434.25 and 5,763,978

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942,434.25 : 5,763,978 = 5,763,978 : x
2. Step 2: Convert to fraction form
   3,942,434.25/5,763,978 = 5,763,978/x
3. Step 3: Cross multiply
   3,942,434.25x = 5,763,978 × 5,763,978
4. Step 4: Simplify right side
   3,942,434.25x = 33,223,442,384,484
5. Step 5: Solve for x
   x = 33,223,442,384,484/3,942,434.25
6. Step 6: Final answer
   x = 8,427,139.24