Finding the Third Proportional to 612,510 and 897,993

Step by Step Solution

1. Step 1: Write the proportion equation
   612,510 : 897,993 = 897,993 : x
2. Step 2: Convert to fraction form
   612,510/897,993 = 897,993/x
3. Step 3: Cross multiply
   612,510x = 897,993 × 897,993
4. Step 4: Simplify right side
   612,510x = 806,391,428,049
5. Step 5: Solve for x
   x = 806,391,428,049/612,510
6. Step 6: Final answer
   x = 1,316,535.94