Finding the Third Proportional to 823,574 and 1,778,368

Step by Step Solution

1. Step 1: Write the proportion equation
   823,574 : 1,778,368 = 1,778,368 : x
2. Step 2: Convert to fraction form
   823,574/1,778,368 = 1,778,368/x
3. Step 3: Cross multiply
   823,574x = 1,778,368 × 1,778,368
4. Step 4: Simplify right side
   823,574x = 3,162,592,743,424
5. Step 5: Solve for x
   x = 3,162,592,743,424/823,574
6. Step 6: Final answer
   x = 3,840,083.28