Finding the Third Proportional to 1,065,378 and 2,288,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,378 : 2,288,864 = 2,288,864 : x
2. Step 2: Convert to fraction form
   1,065,378/2,288,864 = 2,288,864/x
3. Step 3: Cross multiply
   1,065,378x = 2,288,864 × 2,288,864
4. Step 4: Simplify right side
   1,065,378x = 5,238,898,410,496
5. Step 5: Solve for x
   x = 5,238,898,410,496/1,065,378
6. Step 6: Final answer
   x = 4,917,408.10