Finding the Third Proportional to 150,168 and 323,520

Step by Step Solution

1. Step 1: Write the proportion equation
   150,168 : 323,520 = 323,520 : x
2. Step 2: Convert to fraction form
   150,168/323,520 = 323,520/x
3. Step 3: Cross multiply
   150,168x = 323,520 × 323,520
4. Step 4: Simplify right side
   150,168x = 104,665,190,400
5. Step 5: Solve for x
   x = 104,665,190,400/150,168
6. Step 6: Final answer
   x = 696,987.31