Finding the Third Proportional to 143,159 and 323,436

Step by Step Solution

1. Step 1: Write the proportion equation
   143,159 : 323,436 = 323,436 : x
2. Step 2: Convert to fraction form
   143,159/323,436 = 323,436/x
3. Step 3: Cross multiply
   143,159x = 323,436 × 323,436
4. Step 4: Simplify right side
   143,159x = 104,610,846,096
5. Step 5: Solve for x
   x = 104,610,846,096/143,159
6. Step 6: Final answer
   x = 730,731.89