Finding the Third Proportional to 394,996.50 and 595,980

Step by Step Solution

1. Step 1: Write the proportion equation
   394,996.50 : 595,980 = 595,980 : x
2. Step 2: Convert to fraction form
   394,996.50/595,980 = 595,980/x
3. Step 3: Cross multiply
   394,996.50x = 595,980 × 595,980
4. Step 4: Simplify right side
   394,996.50x = 355,192,160,400
5. Step 5: Solve for x
   x = 355,192,160,400/394,996.50
6. Step 6: Final answer
   x = 899,228.63