Finding the Third Proportional to 144,817.50 and 303,486

Step by Step Solution

1. Step 1: Write the proportion equation
   144,817.50 : 303,486 = 303,486 : x
2. Step 2: Convert to fraction form
   144,817.50/303,486 = 303,486/x
3. Step 3: Cross multiply
   144,817.50x = 303,486 × 303,486
4. Step 4: Simplify right side
   144,817.50x = 92,103,752,196
5. Step 5: Solve for x
   x = 92,103,752,196/144,817.50
6. Step 6: Final answer
   x = 635,998.77