Finding the Third Proportional to 59,540 and 80,861

Step by Step Solution

1. Step 1: Write the proportion equation
   59,540 : 80,861 = 80,861 : x
2. Step 2: Convert to fraction form
   59,540/80,861 = 80,861/x
3. Step 3: Cross multiply
   59,540x = 80,861 × 80,861
4. Step 4: Simplify right side
   59,540x = 6,538,501,321
5. Step 5: Solve for x
   x = 6,538,501,321/59,540
6. Step 6: Final answer
   x = 109,816.95