Finding the Third Proportional to 145,444 and 308,496

Step by Step Solution

1. Step 1: Write the proportion equation
   145,444 : 308,496 = 308,496 : x
2. Step 2: Convert to fraction form
   145,444/308,496 = 308,496/x
3. Step 3: Cross multiply
   145,444x = 308,496 × 308,496
4. Step 4: Simplify right side
   145,444x = 95,169,782,016
5. Step 5: Solve for x
   x = 95,169,782,016/145,444
6. Step 6: Final answer
   x = 654,339.69