Finding the Third Proportional to 152,728 and 327,488

Step by Step Solution

1. Step 1: Write the proportion equation
   152,728 : 327,488 = 327,488 : x
2. Step 2: Convert to fraction form
   152,728/327,488 = 327,488/x
3. Step 3: Cross multiply
   152,728x = 327,488 × 327,488
4. Step 4: Simplify right side
   152,728x = 107,248,390,144
5. Step 5: Solve for x
   x = 107,248,390,144/152,728
6. Step 6: Final answer
   x = 702,218.26