Finding the Third Proportional to 69,540 and 150,168

Step by Step Solution

1. Step 1: Write the proportion equation
   69,540 : 150,168 = 150,168 : x
2. Step 2: Convert to fraction form
   69,540/150,168 = 150,168/x
3. Step 3: Cross multiply
   69,540x = 150,168 × 150,168
4. Step 4: Simplify right side
   69,540x = 22,550,428,224
5. Step 5: Solve for x
   x = 22,550,428,224/69,540
6. Step 6: Final answer
   x = 324,279.96