Finding the Third Proportional to 331,528.50 and 723,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   331,528.50 : 723,784.50 = 723,784.50 : x
2. Step 2: Convert to fraction form
   331,528.50/723,784.50 = 723,784.50/x
3. Step 3: Cross multiply
   331,528.50x = 723,784.50 × 723,784.50
4. Step 4: Simplify right side
   331,528.50x = 523,864,002,440.25
5. Step 5: Solve for x
   x = 523,864,002,440.25/331,528.50
6. Step 6: Final answer
   x = 1,580,147.72