Finding the Third Proportional to 1,288,806 and 1,893,747

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,806 : 1,893,747 = 1,893,747 : x
2. Step 2: Convert to fraction form
   1,288,806/1,893,747 = 1,893,747/x
3. Step 3: Cross multiply
   1,288,806x = 1,893,747 × 1,893,747
4. Step 4: Simplify right side
   1,288,806x = 3,586,277,700,009
5. Step 5: Solve for x
   x = 3,586,277,700,009/1,288,806
6. Step 6: Final answer
   x = 2,782,635.79