Finding the Third Proportional to 109,910 and 225,040

Step by Step Solution

1. Step 1: Write the proportion equation
   109,910 : 225,040 = 225,040 : x
2. Step 2: Convert to fraction form
   109,910/225,040 = 225,040/x
3. Step 3: Cross multiply
   109,910x = 225,040 × 225,040
4. Step 4: Simplify right side
   109,910x = 50,643,001,600
5. Step 5: Solve for x
   x = 50,643,001,600/109,910
6. Step 6: Final answer
   x = 460,767.92