Finding the Third Proportional to 152,280 and 327,240

Step by Step Solution

1. Step 1: Write the proportion equation
   152,280 : 327,240 = 327,240 : x
2. Step 2: Convert to fraction form
   152,280/327,240 = 327,240/x
3. Step 3: Cross multiply
   152,280x = 327,240 × 327,240
4. Step 4: Simplify right side
   152,280x = 107,086,017,600
5. Step 5: Solve for x
   x = 107,086,017,600/152,280
6. Step 6: Final answer
   x = 703,217.87