Finding the Third Proportional to 108,615 and 227,155

Step by Step Solution

1. Step 1: Write the proportion equation
   108,615 : 227,155 = 227,155 : x
2. Step 2: Convert to fraction form
   108,615/227,155 = 227,155/x
3. Step 3: Cross multiply
   108,615x = 227,155 × 227,155
4. Step 4: Simplify right side
   108,615x = 51,599,394,025
5. Step 5: Solve for x
   x = 51,599,394,025/108,615
6. Step 6: Final answer
   x = 475,066.92