Finding the Third Proportional to 203,436 and 301,007.25

Step by Step Solution

1. Step 1: Write the proportion equation
   203,436 : 301,007.25 = 301,007.25 : x
2. Step 2: Convert to fraction form
   203,436/301,007.25 = 301,007.25/x
3. Step 3: Cross multiply
   203,436x = 301,007.25 × 301,007.25
4. Step 4: Simplify right side
   203,436x = 90,605,364,552.56
5. Step 5: Solve for x
   x = 90,605,364,552.56/203,436
6. Step 6: Final answer
   x = 445,375.28