Finding the Third Proportional to 105,360 and 228,208

Step by Step Solution

1. Step 1: Write the proportion equation
   105,360 : 228,208 = 228,208 : x
2. Step 2: Convert to fraction form
   105,360/228,208 = 228,208/x
3. Step 3: Cross multiply
   105,360x = 228,208 × 228,208
4. Step 4: Simplify right side
   105,360x = 52,078,891,264
5. Step 5: Solve for x
   x = 52,078,891,264/105,360
6. Step 6: Final answer
   x = 494,294.72