Finding the Third Proportional to 4,158.56 and 9,086.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,158.56 : 9,086.06 = 9,086.06 : x
2. Step 2: Convert to fraction form
   4,158.56/9,086.06 = 9,086.06/x
3. Step 3: Cross multiply
   4,158.56x = 9,086.06 × 9,086.06
4. Step 4: Simplify right side
   4,158.56x = 82,556,531.75
5. Step 5: Solve for x
   x = 82,556,531.75/4,158.56
6. Step 6: Final answer
   x = 19,852.18