Finding the Third Proportional to 39,555.94 and 80,580.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,555.94 : 80,580.75 = 80,580.75 : x
2. Step 2: Convert to fraction form
   39,555.94/80,580.75 = 80,580.75/x
3. Step 3: Cross multiply
   39,555.94x = 80,580.75 × 80,580.75
4. Step 4: Simplify right side
   39,555.94x = 6,493,257,270.56
5. Step 5: Solve for x
   x = 6,493,257,270.56/39,555.94
6. Step 6: Final answer
   x = 164,153.80