Finding the Third Proportional to 3,953.81 and 9,104.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953.81 : 9,104.91 = 9,104.91 : x
2. Step 2: Convert to fraction form
   3,953.81/9,104.91 = 9,104.91/x
3. Step 3: Cross multiply
   3,953.81x = 9,104.91 × 9,104.91
4. Step 4: Simplify right side
   3,953.81x = 82,899,317.82
5. Step 5: Solve for x
   x = 82,899,317.82/3,953.81
6. Step 6: Final answer
   x = 20,966.93