Finding the Third Proportional to 800,640 and 1,758,744

Step by Step Solution

1. Step 1: Write the proportion equation
   800,640 : 1,758,744 = 1,758,744 : x
2. Step 2: Convert to fraction form
   800,640/1,758,744 = 1,758,744/x
3. Step 3: Cross multiply
   800,640x = 1,758,744 × 1,758,744
4. Step 4: Simplify right side
   800,640x = 3,093,180,457,536
5. Step 5: Solve for x
   x = 3,093,180,457,536/800,640
6. Step 6: Final answer
   x = 3,863,384.86