Finding the Third Proportional to 2,124,618 and 4,977,177

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124,618 : 4,977,177 = 4,977,177 : x
2. Step 2: Convert to fraction form
   2,124,618/4,977,177 = 4,977,177/x
3. Step 3: Cross multiply
   2,124,618x = 4,977,177 × 4,977,177
4. Step 4: Simplify right side
   2,124,618x = 24,772,290,889,329
5. Step 5: Solve for x
   x = 24,772,290,889,329/2,124,618
6. Step 6: Final answer
   x = 11,659,644.65