Finding the Third Proportional to 610,508 and 897,510

Step by Step Solution

1. Step 1: Write the proportion equation
   610,508 : 897,510 = 897,510 : x
2. Step 2: Convert to fraction form
   610,508/897,510 = 897,510/x
3. Step 3: Cross multiply
   610,508x = 897,510 × 897,510
4. Step 4: Simplify right side
   610,508x = 805,524,200,100
5. Step 5: Solve for x
   x = 805,524,200,100/610,508
6. Step 6: Final answer
   x = 1,319,432.67