Finding the Third Proportional to 143,898 and 225,240

Step by Step Solution

1. Step 1: Write the proportion equation
   143,898 : 225,240 = 225,240 : x
2. Step 2: Convert to fraction form
   143,898/225,240 = 225,240/x
3. Step 3: Cross multiply
   143,898x = 225,240 × 225,240
4. Step 4: Simplify right side
   143,898x = 50,733,057,600
5. Step 5: Solve for x
   x = 50,733,057,600/143,898
6. Step 6: Final answer
   x = 352,562.63