Finding the Third Proportional to 143,179.50 and 323,487

Step by Step Solution

1. Step 1: Write the proportion equation
   143,179.50 : 323,487 = 323,487 : x
2. Step 2: Convert to fraction form
   143,179.50/323,487 = 323,487/x
3. Step 3: Cross multiply
   143,179.50x = 323,487 × 323,487
4. Step 4: Simplify right side
   143,179.50x = 104,643,839,169
5. Step 5: Solve for x
   x = 104,643,839,169/143,179.50
6. Step 6: Final answer
   x = 730,857.69