Finding the Third Proportional to 2,015,568 and 4,385,410

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,568 : 4,385,410 = 4,385,410 : x
2. Step 2: Convert to fraction form
   2,015,568/4,385,410 = 4,385,410/x
3. Step 3: Cross multiply
   2,015,568x = 4,385,410 × 4,385,410
4. Step 4: Simplify right side
   2,015,568x = 19,231,820,868,100
5. Step 5: Solve for x
   x = 19,231,820,868,100/2,015,568
6. Step 6: Final answer
   x = 9,541,638.32