Finding the Third Proportional to 72,168 and 158,700

Step by Step Solution

1. Step 1: Write the proportion equation
   72,168 : 158,700 = 158,700 : x
2. Step 2: Convert to fraction form
   72,168/158,700 = 158,700/x
3. Step 3: Cross multiply
   72,168x = 158,700 × 158,700
4. Step 4: Simplify right side
   72,168x = 25,185,690,000
5. Step 5: Solve for x
   x = 25,185,690,000/72,168
6. Step 6: Final answer
   x = 348,986.95