Finding the Third Proportional to 111,368 and 228,172

Step by Step Solution

1. Step 1: Write the proportion equation
   111,368 : 228,172 = 228,172 : x
2. Step 2: Convert to fraction form
   111,368/228,172 = 228,172/x
3. Step 3: Cross multiply
   111,368x = 228,172 × 228,172
4. Step 4: Simplify right side
   111,368x = 52,062,461,584
5. Step 5: Solve for x
   x = 52,062,461,584/111,368
6. Step 6: Final answer
   x = 467,481.34