Finding the Third Proportional to 72,620 and 160,792

Step by Step Solution

1. Step 1: Write the proportion equation
   72,620 : 160,792 = 160,792 : x
2. Step 2: Convert to fraction form
   72,620/160,792 = 160,792/x
3. Step 3: Cross multiply
   72,620x = 160,792 × 160,792
4. Step 4: Simplify right side
   72,620x = 25,854,067,264
5. Step 5: Solve for x
   x = 25,854,067,264/72,620
6. Step 6: Final answer
   x = 356,018.55