Finding the Third Proportional to 225,900 and 301,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   225,900 : 301,159.50 = 301,159.50 : x
2. Step 2: Convert to fraction form
   225,900/301,159.50 = 301,159.50/x
3. Step 3: Cross multiply
   225,900x = 301,159.50 × 301,159.50
4. Step 4: Simplify right side
   225,900x = 90,697,044,440.25
5. Step 5: Solve for x
   x = 90,697,044,440.25/225,900
6. Step 6: Final answer
   x = 401,492.01