Finding the Third Proportional to 150,957 and 308,468.25

Step by Step Solution

1. Step 1: Write the proportion equation
   150,957 : 308,468.25 = 308,468.25 : x
2. Step 2: Convert to fraction form
   150,957/308,468.25 = 308,468.25/x
3. Step 3: Cross multiply
   150,957x = 308,468.25 × 308,468.25
4. Step 4: Simplify right side
   150,957x = 95,152,661,258.06
5. Step 5: Solve for x
   x = 95,152,661,258.06/150,957
6. Step 6: Final answer
   x = 630,329.57