Finding the Third Proportional to 122,566.50 and 171,855

Step by Step Solution

1. Step 1: Write the proportion equation
   122,566.50 : 171,855 = 171,855 : x
2. Step 2: Convert to fraction form
   122,566.50/171,855 = 171,855/x
3. Step 3: Cross multiply
   122,566.50x = 171,855 × 171,855
4. Step 4: Simplify right side
   122,566.50x = 29,534,141,025
5. Step 5: Solve for x
   x = 29,534,141,025/122,566.50
6. Step 6: Final answer
   x = 240,964.22