Finding the Third Proportional to 610,543 and 897,521

Step by Step Solution

1. Step 1: Write the proportion equation
   610,543 : 897,521 = 897,521 : x
2. Step 2: Convert to fraction form
   610,543/897,521 = 897,521/x
3. Step 3: Cross multiply
   610,543x = 897,521 × 897,521
4. Step 4: Simplify right side
   610,543x = 805,543,945,441
5. Step 5: Solve for x
   x = 805,543,945,441/610,543
6. Step 6: Final answer
   x = 1,319,389.37