Finding the Third Proportional to 151,419.50 and 327,918

Step by Step Solution

1. Step 1: Write the proportion equation
   151,419.50 : 327,918 = 327,918 : x
2. Step 2: Convert to fraction form
   151,419.50/327,918 = 327,918/x
3. Step 3: Cross multiply
   151,419.50x = 327,918 × 327,918
4. Step 4: Simplify right side
   151,419.50x = 107,530,214,724
5. Step 5: Solve for x
   x = 107,530,214,724/151,419.50
6. Step 6: Final answer
   x = 710,147.73