Finding the Third Proportional to 143,838 and 225,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,838 : 225,148.50 = 225,148.50 : x
2. Step 2: Convert to fraction form
   143,838/225,148.50 = 225,148.50/x
3. Step 3: Cross multiply
   143,838x = 225,148.50 × 225,148.50
4. Step 4: Simplify right side
   143,838x = 50,691,847,052.25
5. Step 5: Solve for x
   x = 50,691,847,052.25/143,838
6. Step 6: Final answer
   x = 352,423.19