Finding the Third Proportional to 1,026,879 and 2,289,871

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026,879 : 2,289,871 = 2,289,871 : x
2. Step 2: Convert to fraction form
   1,026,879/2,289,871 = 2,289,871/x
3. Step 3: Cross multiply
   1,026,879x = 2,289,871 × 2,289,871
4. Step 4: Simplify right side
   1,026,879x = 5,243,509,196,641
5. Step 5: Solve for x
   x = 5,243,509,196,641/1,026,879
6. Step 6: Final answer
   x = 5,106,258.09