Finding the Third Proportional to 144,687 and 300,462

Step by Step Solution

1. Step 1: Write the proportion equation
   144,687 : 300,462 = 300,462 : x
2. Step 2: Convert to fraction form
   144,687/300,462 = 300,462/x
3. Step 3: Cross multiply
   144,687x = 300,462 × 300,462
4. Step 4: Simplify right side
   144,687x = 90,277,413,444
5. Step 5: Solve for x
   x = 90,277,413,444/144,687
6. Step 6: Final answer
   x = 623,949.72