Finding the Third Proportional to 408,553.50 and 897,729

Step by Step Solution

1. Step 1: Write the proportion equation
   408,553.50 : 897,729 = 897,729 : x
2. Step 2: Convert to fraction form
   408,553.50/897,729 = 897,729/x
3. Step 3: Cross multiply
   408,553.50x = 897,729 × 897,729
4. Step 4: Simplify right side
   408,553.50x = 805,917,357,441
5. Step 5: Solve for x
   x = 805,917,357,441/408,553.50
6. Step 6: Final answer
   x = 1,972,611.56