Finding the Third Proportional to 143,158.50 and 323,435.25

Step by Step Solution

1. Step 1: Write the proportion equation
   143,158.50 : 323,435.25 = 323,435.25 : x
2. Step 2: Convert to fraction form
   143,158.50/323,435.25 = 323,435.25/x
3. Step 3: Cross multiply
   143,158.50x = 323,435.25 × 323,435.25
4. Step 4: Simplify right side
   143,158.50x = 104,610,360,942.56
5. Step 5: Solve for x
   x = 104,610,360,942.56/143,158.50
6. Step 6: Final answer
   x = 730,731.05