Finding the Third Proportional to 144,882 and 221,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,882 : 221,629.50 = 221,629.50 : x
2. Step 2: Convert to fraction form
   144,882/221,629.50 = 221,629.50/x
3. Step 3: Cross multiply
   144,882x = 221,629.50 × 221,629.50
4. Step 4: Simplify right side
   144,882x = 49,119,635,270.25
5. Step 5: Solve for x
   x = 49,119,635,270.25/144,882
6. Step 6: Final answer
   x = 339,032.01