Finding the Third Proportional to 144,388 and 230,406

Step by Step Solution

1. Step 1: Write the proportion equation
   144,388 : 230,406 = 230,406 : x
2. Step 2: Convert to fraction form
   144,388/230,406 = 230,406/x
3. Step 3: Cross multiply
   144,388x = 230,406 × 230,406
4. Step 4: Simplify right side
   144,388x = 53,086,924,836
5. Step 5: Solve for x
   x = 53,086,924,836/144,388
6. Step 6: Final answer
   x = 367,668.54