Finding the Third Proportional to 158,065 and 242,360

Step by Step Solution

1. Step 1: Write the proportion equation
   158,065 : 242,360 = 242,360 : x
2. Step 2: Convert to fraction form
   158,065/242,360 = 242,360/x
3. Step 3: Cross multiply
   158,065x = 242,360 × 242,360
4. Step 4: Simplify right side
   158,065x = 58,738,369,600
5. Step 5: Solve for x
   x = 58,738,369,600/158,065
6. Step 6: Final answer
   x = 371,608.96