Finding the Third Proportional to 111,526 and 228,488

Step by Step Solution

1. Step 1: Write the proportion equation
   111,526 : 228,488 = 228,488 : x
2. Step 2: Convert to fraction form
   111,526/228,488 = 228,488/x
3. Step 3: Cross multiply
   111,526x = 228,488 × 228,488
4. Step 4: Simplify right side
   111,526x = 52,206,766,144
5. Step 5: Solve for x
   x = 52,206,766,144/111,526
6. Step 6: Final answer
   x = 468,112.96