Finding the Third Proportional to 143,182.50 and 323,493

Step by Step Solution

1. Step 1: Write the proportion equation
   143,182.50 : 323,493 = 323,493 : x
2. Step 2: Convert to fraction form
   143,182.50/323,493 = 323,493/x
3. Step 3: Cross multiply
   143,182.50x = 323,493 × 323,493
4. Step 4: Simplify right side
   143,182.50x = 104,647,721,049
5. Step 5: Solve for x
   x = 104,647,721,049/143,182.50
6. Step 6: Final answer
   x = 730,869.49