Finding the Third Proportional to 120,383.50 and 161,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,383.50 : 161,053.50 = 161,053.50 : x
2. Step 2: Convert to fraction form
   120,383.50/161,053.50 = 161,053.50/x
3. Step 3: Cross multiply
   120,383.50x = 161,053.50 × 161,053.50
4. Step 4: Simplify right side
   120,383.50x = 25,938,229,862.25
5. Step 5: Solve for x
   x = 25,938,229,862.25/120,383.50
6. Step 6: Final answer
   x = 215,463.33