Finding the Third Proportional to 72,920 and 157,504

Step by Step Solution

1. Step 1: Write the proportion equation
   72,920 : 157,504 = 157,504 : x
2. Step 2: Convert to fraction form
   72,920/157,504 = 157,504/x
3. Step 3: Cross multiply
   72,920x = 157,504 × 157,504
4. Step 4: Simplify right side
   72,920x = 24,807,510,016
5. Step 5: Solve for x
   x = 24,807,510,016/72,920
6. Step 6: Final answer
   x = 340,201.73