Finding the Third Proportional to 2,496,579 and 5,378,821

Step by Step Solution

1. Step 1: Write the proportion equation
   2,496,579 : 5,378,821 = 5,378,821 : x
2. Step 2: Convert to fraction form
   2,496,579/5,378,821 = 5,378,821/x
3. Step 3: Cross multiply
   2,496,579x = 5,378,821 × 5,378,821
4. Step 4: Simplify right side
   2,496,579x = 28,931,715,350,041
5. Step 5: Solve for x
   x = 28,931,715,350,041/2,496,579
6. Step 6: Final answer
   x = 11,588,543.90