Finding the Third Proportional to 59,480.50 and 80,742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,480.50 : 80,742.50 = 80,742.50 : x
2. Step 2: Convert to fraction form
   59,480.50/80,742.50 = 80,742.50/x
3. Step 3: Cross multiply
   59,480.50x = 80,742.50 × 80,742.50
4. Step 4: Simplify right side
   59,480.50x = 6,519,351,306.25
5. Step 5: Solve for x
   x = 6,519,351,306.25/59,480.50
6. Step 6: Final answer
   x = 109,604.85