Finding the Third Proportional to 72,119.25 and 111,958.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,119.25 : 111,958.88 = 111,958.88 : x
2. Step 2: Convert to fraction form
   72,119.25/111,958.88 = 111,958.88/x
3. Step 3: Cross multiply
   72,119.25x = 111,958.88 × 111,958.88
4. Step 4: Simplify right side
   72,119.25x = 12,534,789,691.27
5. Step 5: Solve for x
   x = 12,534,789,691.27/72,119.25
6. Step 6: Final answer
   x = 173,806.43