Finding the Third Proportional to 8,462.25 and 12,891.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,462.25 : 12,891.94 = 12,891.94 : x
2. Step 2: Convert to fraction form
   8,462.25/12,891.94 = 12,891.94/x
3. Step 3: Cross multiply
   8,462.25x = 12,891.94 × 12,891.94
4. Step 4: Simplify right side
   8,462.25x = 166,202,052.50
5. Step 5: Solve for x
   x = 166,202,052.50/8,462.25
6. Step 6: Final answer
   x = 19,640.41