Finding the Third Proportional to 2,099,757 and 4,339,479

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,757 : 4,339,479 = 4,339,479 : x
2. Step 2: Convert to fraction form
   2,099,757/4,339,479 = 4,339,479/x
3. Step 3: Cross multiply
   2,099,757x = 4,339,479 × 4,339,479
4. Step 4: Simplify right side
   2,099,757x = 18,831,077,991,441
5. Step 5: Solve for x
   x = 18,831,077,991,441/2,099,757
6. Step 6: Final answer
   x = 8,968,217.75