Finding the Third Proportional to 1,288,812 and 1,893,756

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,812 : 1,893,756 = 1,893,756 : x
2. Step 2: Convert to fraction form
   1,288,812/1,893,756 = 1,893,756/x
3. Step 3: Cross multiply
   1,288,812x = 1,893,756 × 1,893,756
4. Step 4: Simplify right side
   1,288,812x = 3,586,311,787,536
5. Step 5: Solve for x
   x = 3,586,311,787,536/1,288,812
6. Step 6: Final answer
   x = 2,782,649.28