Finding the Third Proportional to 67,790 and 158,360

Step by Step Solution

1. Step 1: Write the proportion equation
   67,790 : 158,360 = 158,360 : x
2. Step 2: Convert to fraction form
   67,790/158,360 = 158,360/x
3. Step 3: Cross multiply
   67,790x = 158,360 × 158,360
4. Step 4: Simplify right side
   67,790x = 25,077,889,600
5. Step 5: Solve for x
   x = 25,077,889,600/67,790
6. Step 6: Final answer
   x = 369,934.94