Finding the Third Proportional to 820,328 and 1,283,922

Step by Step Solution

1. Step 1: Write the proportion equation
   820,328 : 1,283,922 = 1,283,922 : x
2. Step 2: Convert to fraction form
   820,328/1,283,922 = 1,283,922/x
3. Step 3: Cross multiply
   820,328x = 1,283,922 × 1,283,922
4. Step 4: Simplify right side
   820,328x = 1,648,455,702,084
5. Step 5: Solve for x
   x = 1,648,455,702,084/820,328
6. Step 6: Final answer
   x = 2,009,508.03