Finding the Third Proportional to 648,721 and 1,033,042

Step by Step Solution

1. Step 1: Write the proportion equation
   648,721 : 1,033,042 = 1,033,042 : x
2. Step 2: Convert to fraction form
   648,721/1,033,042 = 1,033,042/x
3. Step 3: Cross multiply
   648,721x = 1,033,042 × 1,033,042
4. Step 4: Simplify right side
   648,721x = 1,067,175,773,764
5. Step 5: Solve for x
   x = 1,067,175,773,764/648,721
6. Step 6: Final answer
   x = 1,645,045.83