Finding the Third Proportional to 665,442 and 1,442,984

Step by Step Solution

1. Step 1: Write the proportion equation
   665,442 : 1,442,984 = 1,442,984 : x
2. Step 2: Convert to fraction form
   665,442/1,442,984 = 1,442,984/x
3. Step 3: Cross multiply
   665,442x = 1,442,984 × 1,442,984
4. Step 4: Simplify right side
   665,442x = 2,082,202,824,256
5. Step 5: Solve for x
   x = 2,082,202,824,256/665,442
6. Step 6: Final answer
   x = 3,129,052.31