Finding the Third Proportional to 2,219,078 and 4,779,976

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219,078 : 4,779,976 = 4,779,976 : x
2. Step 2: Convert to fraction form
   2,219,078/4,779,976 = 4,779,976/x
3. Step 3: Cross multiply
   2,219,078x = 4,779,976 × 4,779,976
4. Step 4: Simplify right side
   2,219,078x = 22,848,170,560,576
5. Step 5: Solve for x
   x = 22,848,170,560,576/2,219,078
6. Step 6: Final answer
   x = 10,296,244.91