Finding the Third Proportional to 111,267 and 230,310

Step by Step Solution

1. Step 1: Write the proportion equation
   111,267 : 230,310 = 230,310 : x
2. Step 2: Convert to fraction form
   111,267/230,310 = 230,310/x
3. Step 3: Cross multiply
   111,267x = 230,310 × 230,310
4. Step 4: Simplify right side
   111,267x = 53,042,696,100
5. Step 5: Solve for x
   x = 53,042,696,100/111,267
6. Step 6: Final answer
   x = 476,715.43