Finding the Third Proportional to 9,256 and 20,155

Step by Step Solution

1. Step 1: Write the proportion equation
   9,256 : 20,155 = 20,155 : x
2. Step 2: Convert to fraction form
   9,256/20,155 = 20,155/x
3. Step 3: Cross multiply
   9,256x = 20,155 × 20,155
4. Step 4: Simplify right side
   9,256x = 406,224,025
5. Step 5: Solve for x
   x = 406,224,025/9,256
6. Step 6: Final answer
   x = 43,887.64