Finding the Third Proportional to 663,945 and 1,003,823

Step by Step Solution

1. Step 1: Write the proportion equation
   663,945 : 1,003,823 = 1,003,823 : x
2. Step 2: Convert to fraction form
   663,945/1,003,823 = 1,003,823/x
3. Step 3: Cross multiply
   663,945x = 1,003,823 × 1,003,823
4. Step 4: Simplify right side
   663,945x = 1,007,660,615,329
5. Step 5: Solve for x
   x = 1,007,660,615,329/663,945
6. Step 6: Final answer
   x = 1,517,686.88