Finding the Third Proportional to 150,208 and 328,116

Step by Step Solution

1. Step 1: Write the proportion equation
   150,208 : 328,116 = 328,116 : x
2. Step 2: Convert to fraction form
   150,208/328,116 = 328,116/x
3. Step 3: Cross multiply
   150,208x = 328,116 × 328,116
4. Step 4: Simplify right side
   150,208x = 107,660,109,456
5. Step 5: Solve for x
   x = 107,660,109,456/150,208
6. Step 6: Final answer
   x = 716,740.18