Finding the Third Proportional to 162,216 and 242,676

Step by Step Solution

1. Step 1: Write the proportion equation
   162,216 : 242,676 = 242,676 : x
2. Step 2: Convert to fraction form
   162,216/242,676 = 242,676/x
3. Step 3: Cross multiply
   162,216x = 242,676 × 242,676
4. Step 4: Simplify right side
   162,216x = 58,891,640,976
5. Step 5: Solve for x
   x = 58,891,640,976/162,216
6. Step 6: Final answer
   x = 363,044.59