Finding the Third Proportional to 79,155.50 and 161,540.75

Step by Step Solution

1. Step 1: Write the proportion equation
   79,155.50 : 161,540.75 = 161,540.75 : x
2. Step 2: Convert to fraction form
   79,155.50/161,540.75 = 161,540.75/x
3. Step 3: Cross multiply
   79,155.50x = 161,540.75 × 161,540.75
4. Step 4: Simplify right side
   79,155.50x = 26,095,413,910.56
5. Step 5: Solve for x
   x = 26,095,413,910.56/79,155.50
6. Step 6: Final answer
   x = 329,672.78