Finding the Third Proportional to 144,834 and 303,513

Step by Step Solution

1. Step 1: Write the proportion equation
   144,834 : 303,513 = 303,513 : x
2. Step 2: Convert to fraction form
   144,834/303,513 = 303,513/x
3. Step 3: Cross multiply
   144,834x = 303,513 × 303,513
4. Step 4: Simplify right side
   144,834x = 92,120,141,169
5. Step 5: Solve for x
   x = 92,120,141,169/144,834
6. Step 6: Final answer
   x = 636,039.47