Finding the Third Proportional to 327,928.50 and 716,607

Step by Step Solution

1. Step 1: Write the proportion equation
   327,928.50 : 716,607 = 716,607 : x
2. Step 2: Convert to fraction form
   327,928.50/716,607 = 716,607/x
3. Step 3: Cross multiply
   327,928.50x = 716,607 × 716,607
4. Step 4: Simplify right side
   327,928.50x = 513,525,592,449
5. Step 5: Solve for x
   x = 513,525,592,449/327,928.50
6. Step 6: Final answer
   x = 1,565,968.17