Finding the Third Proportional to 327,739.50 and 442,800

Step by Step Solution

1. Step 1: Write the proportion equation
   327,739.50 : 442,800 = 442,800 : x
2. Step 2: Convert to fraction form
   327,739.50/442,800 = 442,800/x
3. Step 3: Cross multiply
   327,739.50x = 442,800 × 442,800
4. Step 4: Simplify right side
   327,739.50x = 196,071,840,000
5. Step 5: Solve for x
   x = 196,071,840,000/327,739.50
6. Step 6: Final answer
   x = 598,255.14