Finding the Third Proportional to 72,103.50 and 107,556.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,103.50 : 107,556.75 = 107,556.75 : x
2. Step 2: Convert to fraction form
   72,103.50/107,556.75 = 107,556.75/x
3. Step 3: Cross multiply
   72,103.50x = 107,556.75 × 107,556.75
4. Step 4: Simplify right side
   72,103.50x = 11,568,454,470.56
5. Step 5: Solve for x
   x = 11,568,454,470.56/72,103.50
6. Step 6: Final answer
   x = 160,442.34