Finding the Third Proportional to 498,138 and 1,031,722

Step by Step Solution

1. Step 1: Write the proportion equation
   498,138 : 1,031,722 = 1,031,722 : x
2. Step 2: Convert to fraction form
   498,138/1,031,722 = 1,031,722/x
3. Step 3: Cross multiply
   498,138x = 1,031,722 × 1,031,722
4. Step 4: Simplify right side
   498,138x = 1,064,450,285,284
5. Step 5: Solve for x
   x = 1,064,450,285,284/498,138
6. Step 6: Final answer
   x = 2,136,858.23