Finding the Third Proportional to 105,313 and 225,090

Step by Step Solution

1. Step 1: Write the proportion equation
   105,313 : 225,090 = 225,090 : x
2. Step 2: Convert to fraction form
   105,313/225,090 = 225,090/x
3. Step 3: Cross multiply
   105,313x = 225,090 × 225,090
4. Step 4: Simplify right side
   105,313x = 50,665,508,100
5. Step 5: Solve for x
   x = 50,665,508,100/105,313
6. Step 6: Final answer
   x = 481,094.53