Finding the Third Proportional to 665,282 and 1,042,430

Step by Step Solution

1. Step 1: Write the proportion equation
   665,282 : 1,042,430 = 1,042,430 : x
2. Step 2: Convert to fraction form
   665,282/1,042,430 = 1,042,430/x
3. Step 3: Cross multiply
   665,282x = 1,042,430 × 1,042,430
4. Step 4: Simplify right side
   665,282x = 1,086,660,304,900
5. Step 5: Solve for x
   x = 1,086,660,304,900/665,282
6. Step 6: Final answer
   x = 1,633,382.99