Finding the Third Proportional to 2,100,542 and 4,499,974

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100,542 : 4,499,974 = 4,499,974 : x
2. Step 2: Convert to fraction form
   2,100,542/4,499,974 = 4,499,974/x
3. Step 3: Cross multiply
   2,100,542x = 4,499,974 × 4,499,974
4. Step 4: Simplify right side
   2,100,542x = 20,249,766,000,676
5. Step 5: Solve for x
   x = 20,249,766,000,676/2,100,542
6. Step 6: Final answer
   x = 9,640,257.61