Finding the Third Proportional to 108,040.50 and 170,940

Step by Step Solution

1. Step 1: Write the proportion equation
   108,040.50 : 170,940 = 170,940 : x
2. Step 2: Convert to fraction form
   108,040.50/170,940 = 170,940/x
3. Step 3: Cross multiply
   108,040.50x = 170,940 × 170,940
4. Step 4: Simplify right side
   108,040.50x = 29,220,483,600
5. Step 5: Solve for x
   x = 29,220,483,600/108,040.50
6. Step 6: Final answer
   x = 270,458.61