Finding the Third Proportional to 584,288 and 897,538

Step by Step Solution

1. Step 1: Write the proportion equation
   584,288 : 897,538 = 897,538 : x
2. Step 2: Convert to fraction form
   584,288/897,538 = 897,538/x
3. Step 3: Cross multiply
   584,288x = 897,538 × 897,538
4. Step 4: Simplify right side
   584,288x = 805,574,461,444
5. Step 5: Solve for x
   x = 805,574,461,444/584,288
6. Step 6: Final answer
   x = 1,378,728.40