Finding the Third Proportional to 394,989.75 and 595,974

Step by Step Solution

1. Step 1: Write the proportion equation
   394,989.75 : 595,974 = 595,974 : x
2. Step 2: Convert to fraction form
   394,989.75/595,974 = 595,974/x
3. Step 3: Cross multiply
   394,989.75x = 595,974 × 595,974
4. Step 4: Simplify right side
   394,989.75x = 355,185,008,676
5. Step 5: Solve for x
   x = 355,185,008,676/394,989.75
6. Step 6: Final answer
   x = 899,225.89