Finding the Third Proportional to 1,026,890 and 2,289,895

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026,890 : 2,289,895 = 2,289,895 : x
2. Step 2: Convert to fraction form
   1,026,890/2,289,895 = 2,289,895/x
3. Step 3: Cross multiply
   1,026,890x = 2,289,895 × 2,289,895
4. Step 4: Simplify right side
   1,026,890x = 5,243,619,111,025
5. Step 5: Solve for x
   x = 5,243,619,111,025/1,026,890
6. Step 6: Final answer
   x = 5,106,310.42