Finding the Third Proportional to 143,162 and 323,440

Step by Step Solution

1. Step 1: Write the proportion equation
   143,162 : 323,440 = 323,440 : x
2. Step 2: Convert to fraction form
   143,162/323,440 = 323,440/x
3. Step 3: Cross multiply
   143,162x = 323,440 × 323,440
4. Step 4: Simplify right side
   143,162x = 104,613,433,600
5. Step 5: Solve for x
   x = 104,613,433,600/143,162
6. Step 6: Final answer
   x = 730,734.65