Finding the Third Proportional to 3,891.80 and 8,060.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,891.80 : 8,060.52 = 8,060.52 : x
2. Step 2: Convert to fraction form
   3,891.80/8,060.52 = 8,060.52/x
3. Step 3: Cross multiply
   3,891.80x = 8,060.52 × 8,060.52
4. Step 4: Simplify right side
   3,891.80x = 64,971,912.14
5. Step 5: Solve for x
   x = 64,971,912.14/3,891.80
6. Step 6: Final answer
   x = 16,694.55