Finding the Third Proportional to 143,841 and 225,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,841 : 225,643.50 = 225,643.50 : x
2. Step 2: Convert to fraction form
   143,841/225,643.50 = 225,643.50/x
3. Step 3: Cross multiply
   143,841x = 225,643.50 × 225,643.50
4. Step 4: Simplify right side
   143,841x = 50,914,989,092.25
5. Step 5: Solve for x
   x = 50,914,989,092.25/143,841
6. Step 6: Final answer
   x = 353,967.15