Finding the Third Proportional to 144,528 and 227,020

Step by Step Solution

1. Step 1: Write the proportion equation
   144,528 : 227,020 = 227,020 : x
2. Step 2: Convert to fraction form
   144,528/227,020 = 227,020/x
3. Step 3: Cross multiply
   144,528x = 227,020 × 227,020
4. Step 4: Simplify right side
   144,528x = 51,538,080,400
5. Step 5: Solve for x
   x = 51,538,080,400/144,528
6. Step 6: Final answer
   x = 356,595.82