Finding the Third Proportional to 610,469 and 897,436

Step by Step Solution

1. Step 1: Write the proportion equation
   610,469 : 897,436 = 897,436 : x
2. Step 2: Convert to fraction form
   610,469/897,436 = 897,436/x
3. Step 3: Cross multiply
   610,469x = 897,436 × 897,436
4. Step 4: Simplify right side
   610,469x = 805,391,374,096
5. Step 5: Solve for x
   x = 805,391,374,096/610,469
6. Step 6: Final answer
   x = 1,319,299.38