Finding the Third Proportional to 103,260 and 225,960

Step by Step Solution

1. Step 1: Write the proportion equation
   103,260 : 225,960 = 225,960 : x
2. Step 2: Convert to fraction form
   103,260/225,960 = 225,960/x
3. Step 3: Cross multiply
   103,260x = 225,960 × 225,960
4. Step 4: Simplify right side
   103,260x = 51,057,921,600
5. Step 5: Solve for x
   x = 51,057,921,600/103,260
6. Step 6: Final answer
   x = 494,459.83