Finding the Third Proportional to 498,142 and 1,031,728

Step by Step Solution

1. Step 1: Write the proportion equation
   498,142 : 1,031,728 = 1,031,728 : x
2. Step 2: Convert to fraction form
   498,142/1,031,728 = 1,031,728/x
3. Step 3: Cross multiply
   498,142x = 1,031,728 × 1,031,728
4. Step 4: Simplify right side
   498,142x = 1,064,462,665,984
5. Step 5: Solve for x
   x = 1,064,462,665,984/498,142
6. Step 6: Final answer
   x = 2,136,865.93