Finding the Third Proportional to 113,144.63 and 170,870.63

Step by Step Solution

1. Step 1: Write the proportion equation
   113,144.63 : 170,870.63 = 170,870.63 : x
2. Step 2: Convert to fraction form
   113,144.63/170,870.63 = 170,870.63/x
3. Step 3: Cross multiply
   113,144.63x = 170,870.63 × 170,870.63
4. Step 4: Simplify right side
   113,144.63x = 29,196,770,487.89
5. Step 5: Solve for x
   x = 29,196,770,487.89/113,144.63
6. Step 6: Final answer
   x = 258,048.23