Finding the Third Proportional to 113,865.50 and 170,170

Step by Step Solution

1. Step 1: Write the proportion equation
   113,865.50 : 170,170 = 170,170 : x
2. Step 2: Convert to fraction form
   113,865.50/170,170 = 170,170/x
3. Step 3: Cross multiply
   113,865.50x = 170,170 × 170,170
4. Step 4: Simplify right side
   113,865.50x = 28,957,828,900
5. Step 5: Solve for x
   x = 28,957,828,900/113,865.50
6. Step 6: Final answer
   x = 254,316.09