Finding the Third Proportional to 327,528 and 712,720.69

Step by Step Solution

1. Step 1: Write the proportion equation
   327,528 : 712,720.69 = 712,720.69 : x
2. Step 2: Convert to fraction form
   327,528/712,720.69 = 712,720.69/x
3. Step 3: Cross multiply
   327,528x = 712,720.69 × 712,720.69
4. Step 4: Simplify right side
   327,528x = 507,970,778,390.47
5. Step 5: Solve for x
   x = 507,970,778,390.47/327,528
6. Step 6: Final answer
   x = 1,550,923.21