Finding the Third Proportional to 1,336,857 and 2,783,868

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336,857 : 2,783,868 = 2,783,868 : x
2. Step 2: Convert to fraction form
   1,336,857/2,783,868 = 2,783,868/x
3. Step 3: Cross multiply
   1,336,857x = 2,783,868 × 2,783,868
4. Step 4: Simplify right side
   1,336,857x = 7,749,921,041,424
5. Step 5: Solve for x
   x = 7,749,921,041,424/1,336,857
6. Step 6: Final answer
   x = 5,797,120.44