Finding the Third Proportional to 408,492 and 897,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   408,492 : 897,619.50 = 897,619.50 : x
2. Step 2: Convert to fraction form
   408,492/897,619.50 = 897,619.50/x
3. Step 3: Cross multiply
   408,492x = 897,619.50 × 897,619.50
4. Step 4: Simplify right side
   408,492x = 805,720,766,780.25
5. Step 5: Solve for x
   x = 805,720,766,780.25/408,492
6. Step 6: Final answer
   x = 1,972,427.29