Finding the Third Proportional to 155,024 and 327,456

Step by Step Solution

1. Step 1: Write the proportion equation
   155,024 : 327,456 = 327,456 : x
2. Step 2: Convert to fraction form
   155,024/327,456 = 327,456/x
3. Step 3: Cross multiply
   155,024x = 327,456 × 327,456
4. Step 4: Simplify right side
   155,024x = 107,227,431,936
5. Step 5: Solve for x
   x = 107,227,431,936/155,024
6. Step 6: Final answer
   x = 691,682.78