Finding the Third Proportional to 111,345 and 228,156

Step by Step Solution

1. Step 1: Write the proportion equation
   111,345 : 228,156 = 228,156 : x
2. Step 2: Convert to fraction form
   111,345/228,156 = 228,156/x
3. Step 3: Cross multiply
   111,345x = 228,156 × 228,156
4. Step 4: Simplify right side
   111,345x = 52,055,160,336
5. Step 5: Solve for x
   x = 52,055,160,336/111,345
6. Step 6: Final answer
   x = 467,512.33