Finding the Third Proportional to 72,306 and 150,156

Step by Step Solution

1. Step 1: Write the proportion equation
   72,306 : 150,156 = 150,156 : x
2. Step 2: Convert to fraction form
   72,306/150,156 = 150,156/x
3. Step 3: Cross multiply
   72,306x = 150,156 × 150,156
4. Step 4: Simplify right side
   72,306x = 22,546,824,336
5. Step 5: Solve for x
   x = 22,546,824,336/72,306
6. Step 6: Final answer
   x = 311,825.08