Finding the Third Proportional to 2,124,578 and 4,977,077

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124,578 : 4,977,077 = 4,977,077 : x
2. Step 2: Convert to fraction form
   2,124,578/4,977,077 = 4,977,077/x
3. Step 3: Cross multiply
   2,124,578x = 4,977,077 × 4,977,077
4. Step 4: Simplify right side
   2,124,578x = 24,771,295,463,929
5. Step 5: Solve for x
   x = 24,771,295,463,929/2,124,578
6. Step 6: Final answer
   x = 11,659,395.64