Finding the Third Proportional to 456,459 and 605,812

Step by Step Solution

1. Step 1: Write the proportion equation
   456,459 : 605,812 = 605,812 : x
2. Step 2: Convert to fraction form
   456,459/605,812 = 605,812/x
3. Step 3: Cross multiply
   456,459x = 605,812 × 605,812
4. Step 4: Simplify right side
   456,459x = 367,008,179,344
5. Step 5: Solve for x
   x = 367,008,179,344/456,459
6. Step 6: Final answer
   x = 804,033.18