Finding the Third Proportional to 1,752,864 and 2,640,836

Step by Step Solution

1. Step 1: Write the proportion equation
   1,752,864 : 2,640,836 = 2,640,836 : x
2. Step 2: Convert to fraction form
   1,752,864/2,640,836 = 2,640,836/x
3. Step 3: Cross multiply
   1,752,864x = 2,640,836 × 2,640,836
4. Step 4: Simplify right side
   1,752,864x = 6,974,014,778,896
5. Step 5: Solve for x
   x = 6,974,014,778,896/1,752,864
6. Step 6: Final answer
   x = 3,978,639.97