Finding the Third Proportional to 1,808,403 and 2,797,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,403 : 2,797,640 = 2,797,640 : x
2. Step 2: Convert to fraction form
   1,808,403/2,797,640 = 2,797,640/x
3. Step 3: Cross multiply
   1,808,403x = 2,797,640 × 2,797,640
4. Step 4: Simplify right side
   1,808,403x = 7,826,789,569,600
5. Step 5: Solve for x
   x = 7,826,789,569,600/1,808,403
6. Step 6: Final answer
   x = 4,328,011.83