Finding the Third Proportional to 327,628.50 and 719,499

Step by Step Solution

1. Step 1: Write the proportion equation
   327,628.50 : 719,499 = 719,499 : x
2. Step 2: Convert to fraction form
   327,628.50/719,499 = 719,499/x
3. Step 3: Cross multiply
   327,628.50x = 719,499 × 719,499
4. Step 4: Simplify right side
   327,628.50x = 517,678,811,001
5. Step 5: Solve for x
   x = 517,678,811,001/327,628.50
6. Step 6: Final answer
   x = 1,580,078.69