Finding the Third Proportional to 2,378,320 and 5,228,960

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378,320 : 5,228,960 = 5,228,960 : x
2. Step 2: Convert to fraction form
   2,378,320/5,228,960 = 5,228,960/x
3. Step 3: Cross multiply
   2,378,320x = 5,228,960 × 5,228,960
4. Step 4: Simplify right side
   2,378,320x = 27,342,022,681,600
5. Step 5: Solve for x
   x = 27,342,022,681,600/2,378,320
6. Step 6: Final answer
   x = 11,496,359.90