Finding the Third Proportional to 145,806 and 303,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,806 : 303,245.50 = 303,245.50 : x
2. Step 2: Convert to fraction form
   145,806/303,245.50 = 303,245.50/x
3. Step 3: Cross multiply
   145,806x = 303,245.50 × 303,245.50
4. Step 4: Simplify right side
   145,806x = 91,957,833,270.25
5. Step 5: Solve for x
   x = 91,957,833,270.25/145,806
6. Step 6: Final answer
   x = 630,686.21