Finding the Third Proportional to 2,110,820 and 4,977,900

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110,820 : 4,977,900 = 4,977,900 : x
2. Step 2: Convert to fraction form
   2,110,820/4,977,900 = 4,977,900/x
3. Step 3: Cross multiply
   2,110,820x = 4,977,900 × 4,977,900
4. Step 4: Simplify right side
   2,110,820x = 24,779,488,410,000
5. Step 5: Solve for x
   x = 24,779,488,410,000/2,110,820
6. Step 6: Final answer
   x = 11,739,271.19