Finding the Third Proportional to 72,890 and 160,048

Step by Step Solution

1. Step 1: Write the proportion equation
   72,890 : 160,048 = 160,048 : x
2. Step 2: Convert to fraction form
   72,890/160,048 = 160,048/x
3. Step 3: Cross multiply
   72,890x = 160,048 × 160,048
4. Step 4: Simplify right side
   72,890x = 25,615,362,304
5. Step 5: Solve for x
   x = 25,615,362,304/72,890
6. Step 6: Final answer
   x = 351,424.92