Finding the Third Proportional to 72,793 and 157,970

Step by Step Solution

1. Step 1: Write the proportion equation
   72,793 : 157,970 = 157,970 : x
2. Step 2: Convert to fraction form
   72,793/157,970 = 157,970/x
3. Step 3: Cross multiply
   72,793x = 157,970 × 157,970
4. Step 4: Simplify right side
   72,793x = 24,954,520,900
5. Step 5: Solve for x
   x = 24,954,520,900/72,793
6. Step 6: Final answer
   x = 342,814.84