Finding the Third Proportional to 111,557 and 228,550

Step by Step Solution

1. Step 1: Write the proportion equation
   111,557 : 228,550 = 228,550 : x
2. Step 2: Convert to fraction form
   111,557/228,550 = 228,550/x
3. Step 3: Cross multiply
   111,557x = 228,550 × 228,550
4. Step 4: Simplify right side
   111,557x = 52,235,102,500
5. Step 5: Solve for x
   x = 52,235,102,500/111,557
6. Step 6: Final answer
   x = 468,236.89