Finding the Third Proportional to 2,496,578 and 5,378,822

Step by Step Solution

1. Step 1: Write the proportion equation
   2,496,578 : 5,378,822 = 5,378,822 : x
2. Step 2: Convert to fraction form
   2,496,578/5,378,822 = 5,378,822/x
3. Step 3: Cross multiply
   2,496,578x = 5,378,822 × 5,378,822
4. Step 4: Simplify right side
   2,496,578x = 28,931,726,107,684
5. Step 5: Solve for x
   x = 28,931,726,107,684/2,496,578
6. Step 6: Final answer
   x = 11,588,552.85