Finding the Third Proportional to 631,774 and 1,491,404

Step by Step Solution

1. Step 1: Write the proportion equation
   631,774 : 1,491,404 = 1,491,404 : x
2. Step 2: Convert to fraction form
   631,774/1,491,404 = 1,491,404/x
3. Step 3: Cross multiply
   631,774x = 1,491,404 × 1,491,404
4. Step 4: Simplify right side
   631,774x = 2,224,285,891,216
5. Step 5: Solve for x
   x = 2,224,285,891,216/631,774
6. Step 6: Final answer
   x = 3,520,698.69