Finding the Third Proportional to 665,464 and 1,443,028

Step by Step Solution

1. Step 1: Write the proportion equation
   665,464 : 1,443,028 = 1,443,028 : x
2. Step 2: Convert to fraction form
   665,464/1,443,028 = 1,443,028/x
3. Step 3: Cross multiply
   665,464x = 1,443,028 × 1,443,028
4. Step 4: Simplify right side
   665,464x = 2,082,329,808,784
5. Step 5: Solve for x
   x = 2,082,329,808,784/665,464
6. Step 6: Final answer
   x = 3,129,139.68