Finding the Third Proportional to 171,054 and 364,256

Step by Step Solution

1. Step 1: Write the proportion equation
   171,054 : 364,256 = 364,256 : x
2. Step 2: Convert to fraction form
   171,054/364,256 = 364,256/x
3. Step 3: Cross multiply
   171,054x = 364,256 × 364,256
4. Step 4: Simplify right side
   171,054x = 132,682,433,536
5. Step 5: Solve for x
   x = 132,682,433,536/171,054
6. Step 6: Final answer
   x = 775,675.71