Finding the Third Proportional to 105,158 and 225,080

Step by Step Solution

1. Step 1: Write the proportion equation
   105,158 : 225,080 = 225,080 : x
2. Step 2: Convert to fraction form
   105,158/225,080 = 225,080/x
3. Step 3: Cross multiply
   105,158x = 225,080 × 225,080
4. Step 4: Simplify right side
   105,158x = 50,661,006,400
5. Step 5: Solve for x
   x = 50,661,006,400/105,158
6. Step 6: Final answer
   x = 481,760.84