Finding the Third Proportional to 823,568 and 1,778,356

Step by Step Solution

1. Step 1: Write the proportion equation
   823,568 : 1,778,356 = 1,778,356 : x
2. Step 2: Convert to fraction form
   823,568/1,778,356 = 1,778,356/x
3. Step 3: Cross multiply
   823,568x = 1,778,356 × 1,778,356
4. Step 4: Simplify right side
   823,568x = 3,162,550,062,736
5. Step 5: Solve for x
   x = 3,162,550,062,736/823,568
6. Step 6: Final answer
   x = 3,840,059.43