Finding the Third Proportional to 162,648 and 342,792

Step by Step Solution

1. Step 1: Write the proportion equation
   162,648 : 342,792 = 342,792 : x
2. Step 2: Convert to fraction form
   162,648/342,792 = 342,792/x
3. Step 3: Cross multiply
   162,648x = 342,792 × 342,792
4. Step 4: Simplify right side
   162,648x = 117,506,355,264
5. Step 5: Solve for x
   x = 117,506,355,264/162,648
6. Step 6: Final answer
   x = 722,458.04