Finding the Third Proportional to 72,442 and 151,508

Step by Step Solution

1. Step 1: Write the proportion equation
   72,442 : 151,508 = 151,508 : x
2. Step 2: Convert to fraction form
   72,442/151,508 = 151,508/x
3. Step 3: Cross multiply
   72,442x = 151,508 × 151,508
4. Step 4: Simplify right side
   72,442x = 22,954,674,064
5. Step 5: Solve for x
   x = 22,954,674,064/72,442
6. Step 6: Final answer
   x = 316,869.69