Finding the Third Proportional to 1,040,622 and 2,109,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,622 : 2,109,949.50 = 2,109,949.50 : x
2. Step 2: Convert to fraction form
   1,040,622/2,109,949.50 = 2,109,949.50/x
3. Step 3: Cross multiply
   1,040,622x = 2,109,949.50 × 2,109,949.50
4. Step 4: Simplify right side
   1,040,622x = 4,451,886,892,550.25
5. Step 5: Solve for x
   x = 4,451,886,892,550.25/1,040,622
6. Step 6: Final answer
   x = 4,278,101.84