Finding the Third Proportional to 665,040 and 1,031,868

Step by Step Solution

1. Step 1: Write the proportion equation
   665,040 : 1,031,868 = 1,031,868 : x
2. Step 2: Convert to fraction form
   665,040/1,031,868 = 1,031,868/x
3. Step 3: Cross multiply
   665,040x = 1,031,868 × 1,031,868
4. Step 4: Simplify right side
   665,040x = 1,064,751,569,424
5. Step 5: Solve for x
   x = 1,064,751,569,424/665,040
6. Step 6: Final answer
   x = 1,601,033.88