Finding the Third Proportional to 2,067,939 and 2,978,463

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067,939 : 2,978,463 = 2,978,463 : x
2. Step 2: Convert to fraction form
   2,067,939/2,978,463 = 2,978,463/x
3. Step 3: Cross multiply
   2,067,939x = 2,978,463 × 2,978,463
4. Step 4: Simplify right side
   2,067,939x = 8,871,241,842,369
5. Step 5: Solve for x
   x = 8,871,241,842,369/2,067,939
6. Step 6: Final answer
   x = 4,289,895.32