Finding the Third Proportional to 151,208 and 331,360

Step by Step Solution

1. Step 1: Write the proportion equation
   151,208 : 331,360 = 331,360 : x
2. Step 2: Convert to fraction form
   151,208/331,360 = 331,360/x
3. Step 3: Cross multiply
   151,208x = 331,360 × 331,360
4. Step 4: Simplify right side
   151,208x = 109,799,449,600
5. Step 5: Solve for x
   x = 109,799,449,600/151,208
6. Step 6: Final answer
   x = 726,148.42