Finding the Third Proportional to 143,181 and 323,490

Step by Step Solution

1. Step 1: Write the proportion equation
   143,181 : 323,490 = 323,490 : x
2. Step 2: Convert to fraction form
   143,181/323,490 = 323,490/x
3. Step 3: Cross multiply
   143,181x = 323,490 × 323,490
4. Step 4: Simplify right side
   143,181x = 104,645,780,100
5. Step 5: Solve for x
   x = 104,645,780,100/143,181
6. Step 6: Final answer
   x = 730,863.59