Finding the Third Proportional to 162,493.50 and 221,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,493.50 : 221,383.50 = 221,383.50 : x
2. Step 2: Convert to fraction form
   162,493.50/221,383.50 = 221,383.50/x
3. Step 3: Cross multiply
   162,493.50x = 221,383.50 × 221,383.50
4. Step 4: Simplify right side
   162,493.50x = 49,010,654,072.25
5. Step 5: Solve for x
   x = 49,010,654,072.25/162,493.50
6. Step 6: Final answer
   x = 301,616.09