Finding the Third Proportional to 70,586 and 150,742

Step by Step Solution

1. Step 1: Write the proportion equation
   70,586 : 150,742 = 150,742 : x
2. Step 2: Convert to fraction form
   70,586/150,742 = 150,742/x
3. Step 3: Cross multiply
   70,586x = 150,742 × 150,742
4. Step 4: Simplify right side
   70,586x = 22,723,150,564
5. Step 5: Solve for x
   x = 22,723,150,564/70,586
6. Step 6: Final answer
   x = 321,921.49