Finding the Third Proportional to 72,705 and 158,942

Step by Step Solution

1. Step 1: Write the proportion equation
   72,705 : 158,942 = 158,942 : x
2. Step 2: Convert to fraction form
   72,705/158,942 = 158,942/x
3. Step 3: Cross multiply
   72,705x = 158,942 × 158,942
4. Step 4: Simplify right side
   72,705x = 25,262,559,364
5. Step 5: Solve for x
   x = 25,262,559,364/72,705
6. Step 6: Final answer
   x = 347,466.60