Finding the Third Proportional to 144,878 and 230,528

Step by Step Solution

1. Step 1: Write the proportion equation
   144,878 : 230,528 = 230,528 : x
2. Step 2: Convert to fraction form
   144,878/230,528 = 230,528/x
3. Step 3: Cross multiply
   144,878x = 230,528 × 230,528
4. Step 4: Simplify right side
   144,878x = 53,143,158,784
5. Step 5: Solve for x
   x = 53,143,158,784/144,878
6. Step 6: Final answer
   x = 366,813.17