Finding the Third Proportional to 69,312 and 150,144

Step by Step Solution

1. Step 1: Write the proportion equation
   69,312 : 150,144 = 150,144 : x
2. Step 2: Convert to fraction form
   69,312/150,144 = 150,144/x
3. Step 3: Cross multiply
   69,312x = 150,144 × 150,144
4. Step 4: Simplify right side
   69,312x = 22,543,220,736
5. Step 5: Solve for x
   x = 22,543,220,736/69,312
6. Step 6: Final answer
   x = 325,242.68