Finding the Third Proportional to 408,554 and 897,730

Step by Step Solution

1. Step 1: Write the proportion equation
   408,554 : 897,730 = 897,730 : x
2. Step 2: Convert to fraction form
   408,554/897,730 = 897,730/x
3. Step 3: Cross multiply
   408,554x = 897,730 × 897,730
4. Step 4: Simplify right side
   408,554x = 805,919,152,900
5. Step 5: Solve for x
   x = 805,919,152,900/408,554
6. Step 6: Final answer
   x = 1,972,613.54