Finding the Third Proportional to 39,556.50 and 80,581.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,556.50 : 80,581.75 = 80,581.75 : x
2. Step 2: Convert to fraction form
   39,556.50/80,581.75 = 80,581.75/x
3. Step 3: Cross multiply
   39,556.50x = 80,581.75 × 80,581.75
4. Step 4: Simplify right side
   39,556.50x = 6,493,418,433.06
5. Step 5: Solve for x
   x = 6,493,418,433.06/39,556.50
6. Step 6: Final answer
   x = 164,155.54