Finding the Third Proportional to 664,530 and 1,003,707

Step by Step Solution

1. Step 1: Write the proportion equation
   664,530 : 1,003,707 = 1,003,707 : x
2. Step 2: Convert to fraction form
   664,530/1,003,707 = 1,003,707/x
3. Step 3: Cross multiply
   664,530x = 1,003,707 × 1,003,707
4. Step 4: Simplify right side
   664,530x = 1,007,427,741,849
5. Step 5: Solve for x
   x = 1,007,427,741,849/664,530
6. Step 6: Final answer
   x = 1,516,000.39