Finding the Third Proportional to 1,003,992 and 2,153,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,992 : 2,153,568 = 2,153,568 : x
2. Step 2: Convert to fraction form
   1,003,992/2,153,568 = 2,153,568/x
3. Step 3: Cross multiply
   1,003,992x = 2,153,568 × 2,153,568
4. Step 4: Simplify right side
   1,003,992x = 4,637,855,130,624
5. Step 5: Solve for x
   x = 4,637,855,130,624/1,003,992
6. Step 6: Final answer
   x = 4,619,414.43