Finding the Third Proportional to 2,887,974 and 4,489,911

Step by Step Solution

1. Step 1: Write the proportion equation
   2,887,974 : 4,489,911 = 4,489,911 : x
2. Step 2: Convert to fraction form
   2,887,974/4,489,911 = 4,489,911/x
3. Step 3: Cross multiply
   2,887,974x = 4,489,911 × 4,489,911
4. Step 4: Simplify right side
   2,887,974x = 20,159,300,787,921
5. Step 5: Solve for x
   x = 20,159,300,787,921/2,887,974
6. Step 6: Final answer
   x = 6,980,430.15