Finding the Third Proportional to 1,040,632 and 2,109,970

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,632 : 2,109,970 = 2,109,970 : x
2. Step 2: Convert to fraction form
   1,040,632/2,109,970 = 2,109,970/x
3. Step 3: Cross multiply
   1,040,632x = 2,109,970 × 2,109,970
4. Step 4: Simplify right side
   1,040,632x = 4,451,973,400,900
5. Step 5: Solve for x
   x = 4,451,973,400,900/1,040,632
6. Step 6: Final answer
   x = 4,278,143.86