Finding the Third Proportional to 152,717 and 328,036

Step by Step Solution

1. Step 1: Write the proportion equation
   152,717 : 328,036 = 328,036 : x
2. Step 2: Convert to fraction form
   152,717/328,036 = 328,036/x
3. Step 3: Cross multiply
   152,717x = 328,036 × 328,036
4. Step 4: Simplify right side
   152,717x = 107,607,617,296
5. Step 5: Solve for x
   x = 107,607,617,296/152,717
6. Step 6: Final answer
   x = 704,621.08