Finding the Third Proportional to 108,640 and 227,210

Step by Step Solution

1. Step 1: Write the proportion equation
   108,640 : 227,210 = 227,210 : x
2. Step 2: Convert to fraction form
   108,640/227,210 = 227,210/x
3. Step 3: Cross multiply
   108,640x = 227,210 × 227,210
4. Step 4: Simplify right side
   108,640x = 51,624,384,100
5. Step 5: Solve for x
   x = 51,624,384,100/108,640
6. Step 6: Final answer
   x = 475,187.63