Finding the Third Proportional to 687,944 and 1,042,304

Step by Step Solution

1. Step 1: Write the proportion equation
   687,944 : 1,042,304 = 1,042,304 : x
2. Step 2: Convert to fraction form
   687,944/1,042,304 = 1,042,304/x
3. Step 3: Cross multiply
   687,944x = 1,042,304 × 1,042,304
4. Step 4: Simplify right side
   687,944x = 1,086,397,628,416
5. Step 5: Solve for x
   x = 1,086,397,628,416/687,944
6. Step 6: Final answer
   x = 1,579,194.86