Finding the Third Proportional to 111,903 and 228,976

Step by Step Solution

1. Step 1: Write the proportion equation
   111,903 : 228,976 = 228,976 : x
2. Step 2: Convert to fraction form
   111,903/228,976 = 228,976/x
3. Step 3: Cross multiply
   111,903x = 228,976 × 228,976
4. Step 4: Simplify right side
   111,903x = 52,430,008,576
5. Step 5: Solve for x
   x = 52,430,008,576/111,903
6. Step 6: Final answer
   x = 468,530.86