Finding the Third Proportional to 605,996 and 897,280

Step by Step Solution

1. Step 1: Write the proportion equation
   605,996 : 897,280 = 897,280 : x
2. Step 2: Convert to fraction form
   605,996/897,280 = 897,280/x
3. Step 3: Cross multiply
   605,996x = 897,280 × 897,280
4. Step 4: Simplify right side
   605,996x = 805,111,398,400
5. Step 5: Solve for x
   x = 805,111,398,400/605,996
6. Step 6: Final answer
   x = 1,328,575.43