Finding the Third Proportional to 2,783,376 and 4,309,734

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783,376 : 4,309,734 = 4,309,734 : x
2. Step 2: Convert to fraction form
   2,783,376/4,309,734 = 4,309,734/x
3. Step 3: Cross multiply
   2,783,376x = 4,309,734 × 4,309,734
4. Step 4: Simplify right side
   2,783,376x = 18,573,807,150,756
5. Step 5: Solve for x
   x = 18,573,807,150,756/2,783,376
6. Step 6: Final answer
   x = 6,673,121.83