Finding the Third Proportional to 122,146.50 and 174,345

Step by Step Solution

1. Step 1: Write the proportion equation
   122,146.50 : 174,345 = 174,345 : x
2. Step 2: Convert to fraction form
   122,146.50/174,345 = 174,345/x
3. Step 3: Cross multiply
   122,146.50x = 174,345 × 174,345
4. Step 4: Simplify right side
   122,146.50x = 30,396,179,025
5. Step 5: Solve for x
   x = 30,396,179,025/122,146.50
6. Step 6: Final answer
   x = 248,850.18