Finding the Third Proportional to 498,189 and 1,031,811

Step by Step Solution

1. Step 1: Write the proportion equation
   498,189 : 1,031,811 = 1,031,811 : x
2. Step 2: Convert to fraction form
   498,189/1,031,811 = 1,031,811/x
3. Step 3: Cross multiply
   498,189x = 1,031,811 × 1,031,811
4. Step 4: Simplify right side
   498,189x = 1,064,633,939,721
5. Step 5: Solve for x
   x = 1,064,633,939,721/498,189
6. Step 6: Final answer
   x = 2,137,008.12