Finding the Third Proportional to 631,788 and 1,491,436

Step by Step Solution

1. Step 1: Write the proportion equation
   631,788 : 1,491,436 = 1,491,436 : x
2. Step 2: Convert to fraction form
   631,788/1,491,436 = 1,491,436/x
3. Step 3: Cross multiply
   631,788x = 1,491,436 × 1,491,436
4. Step 4: Simplify right side
   631,788x = 2,224,381,342,096
5. Step 5: Solve for x
   x = 2,224,381,342,096/631,788
6. Step 6: Final answer
   x = 3,520,771.75