Finding the Third Proportional to 72,686 and 159,250

Step by Step Solution

1. Step 1: Write the proportion equation
   72,686 : 159,250 = 159,250 : x
2. Step 2: Convert to fraction form
   72,686/159,250 = 159,250/x
3. Step 3: Cross multiply
   72,686x = 159,250 × 159,250
4. Step 4: Simplify right side
   72,686x = 25,360,562,500
5. Step 5: Solve for x
   x = 25,360,562,500/72,686
6. Step 6: Final answer
   x = 348,905.74