Finding the Third Proportional to 631,778 and 1,491,414

Step by Step Solution

1. Step 1: Write the proportion equation
   631,778 : 1,491,414 = 1,491,414 : x
2. Step 2: Convert to fraction form
   631,778/1,491,414 = 1,491,414/x
3. Step 3: Cross multiply
   631,778x = 1,491,414 × 1,491,414
4. Step 4: Simplify right side
   631,778x = 2,224,315,719,396
5. Step 5: Solve for x
   x = 2,224,315,719,396/631,778
6. Step 6: Final answer
   x = 3,520,723.61