Finding the Third Proportional to 327,385.50 and 723,600

Step by Step Solution

1. Step 1: Write the proportion equation
   327,385.50 : 723,600 = 723,600 : x
2. Step 2: Convert to fraction form
   327,385.50/723,600 = 723,600/x
3. Step 3: Cross multiply
   327,385.50x = 723,600 × 723,600
4. Step 4: Simplify right side
   327,385.50x = 523,596,960,000
5. Step 5: Solve for x
   x = 523,596,960,000/327,385.50
6. Step 6: Final answer
   x = 1,599,328.50