Finding the Third Proportional to 72,756 and 109,227.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,756 : 109,227.38 = 109,227.38 : x
2. Step 2: Convert to fraction form
   72,756/109,227.38 = 109,227.38/x
3. Step 3: Cross multiply
   72,756x = 109,227.38 × 109,227.38
4. Step 4: Simplify right side
   72,756x = 11,930,619,449.39
5. Step 5: Solve for x
   x = 11,930,619,449.39/72,756
6. Step 6: Final answer
   x = 163,981.24