Finding the Third Proportional to 145,410 and 303,996

Step by Step Solution

1. Step 1: Write the proportion equation
   145,410 : 303,996 = 303,996 : x
2. Step 2: Convert to fraction form
   145,410/303,996 = 303,996/x
3. Step 3: Cross multiply
   145,410x = 303,996 × 303,996
4. Step 4: Simplify right side
   145,410x = 92,413,568,016
5. Step 5: Solve for x
   x = 92,413,568,016/145,410
6. Step 6: Final answer
   x = 635,537.91