Finding the Third Proportional to 610,510 and 897,472

Step by Step Solution

1. Step 1: Write the proportion equation
   610,510 : 897,472 = 897,472 : x
2. Step 2: Convert to fraction form
   610,510/897,472 = 897,472/x
3. Step 3: Cross multiply
   610,510x = 897,472 × 897,472
4. Step 4: Simplify right side
   610,510x = 805,455,990,784
5. Step 5: Solve for x
   x = 805,455,990,784/610,510
6. Step 6: Final answer
   x = 1,319,316.62