Finding the Third Proportional to 641,892 and 897,360

Step by Step Solution

1. Step 1: Write the proportion equation
   641,892 : 897,360 = 897,360 : x
2. Step 2: Convert to fraction form
   641,892/897,360 = 897,360/x
3. Step 3: Cross multiply
   641,892x = 897,360 × 897,360
4. Step 4: Simplify right side
   641,892x = 805,254,969,600
5. Step 5: Solve for x
   x = 805,254,969,600/641,892
6. Step 6: Final answer
   x = 1,254,502.27