Finding the Third Proportional to 1,296,288 and 2,028,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,288 : 2,028,864 = 2,028,864 : x
2. Step 2: Convert to fraction form
   1,296,288/2,028,864 = 2,028,864/x
3. Step 3: Cross multiply
   1,296,288x = 2,028,864 × 2,028,864
4. Step 4: Simplify right side
   1,296,288x = 4,116,289,130,496
5. Step 5: Solve for x
   x = 4,116,289,130,496/1,296,288
6. Step 6: Final answer
   x = 3,175,443.37