Finding the Third Proportional to 1,040,628 and 2,109,962

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,628 : 2,109,962 = 2,109,962 : x
2. Step 2: Convert to fraction form
   1,040,628/2,109,962 = 2,109,962/x
3. Step 3: Cross multiply
   1,040,628x = 2,109,962 × 2,109,962
4. Step 4: Simplify right side
   1,040,628x = 4,451,939,641,444
5. Step 5: Solve for x
   x = 4,451,939,641,444/1,040,628
6. Step 6: Final answer
   x = 4,278,127.86