Finding the Third Proportional to 72,636 and 159,648

Step by Step Solution

1. Step 1: Write the proportion equation
   72,636 : 159,648 = 159,648 : x
2. Step 2: Convert to fraction form
   72,636/159,648 = 159,648/x
3. Step 3: Cross multiply
   72,636x = 159,648 × 159,648
4. Step 4: Simplify right side
   72,636x = 25,487,483,904
5. Step 5: Solve for x
   x = 25,487,483,904/72,636
6. Step 6: Final answer
   x = 350,893.27