Finding the Third Proportional to 2,291,557 and 4,977,218

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291,557 : 4,977,218 = 4,977,218 : x
2. Step 2: Convert to fraction form
   2,291,557/4,977,218 = 4,977,218/x
3. Step 3: Cross multiply
   2,291,557x = 4,977,218 × 4,977,218
4. Step 4: Simplify right side
   2,291,557x = 24,772,699,019,524
5. Step 5: Solve for x
   x = 24,772,699,019,524/2,291,557
6. Step 6: Final answer
   x = 10,810,422.35