Finding the Third Proportional to 122,016.38 and 264,790.69

Step by Step Solution

1. Step 1: Write the proportion equation
   122,016.38 : 264,790.69 = 264,790.69 : x
2. Step 2: Convert to fraction form
   122,016.38/264,790.69 = 264,790.69/x
3. Step 3: Cross multiply
   122,016.38x = 264,790.69 × 264,790.69
4. Step 4: Simplify right side
   122,016.38x = 70,114,108,186.72
5. Step 5: Solve for x
   x = 70,114,108,186.72/122,016.38
6. Step 6: Final answer
   x = 574,628.68