Finding the Third Proportional to 2,634,419 and 3,972,378

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634,419 : 3,972,378 = 3,972,378 : x
2. Step 2: Convert to fraction form
   2,634,419/3,972,378 = 3,972,378/x
3. Step 3: Cross multiply
   2,634,419x = 3,972,378 × 3,972,378
4. Step 4: Simplify right side
   2,634,419x = 15,779,786,974,884
5. Step 5: Solve for x
   x = 15,779,786,974,884/2,634,419
6. Step 6: Final answer
   x = 5,989,854.68