Finding the Third Proportional to 171,628 and 262,550

Step by Step Solution

1. Step 1: Write the proportion equation
   171,628 : 262,550 = 262,550 : x
2. Step 2: Convert to fraction form
   171,628/262,550 = 262,550/x
3. Step 3: Cross multiply
   171,628x = 262,550 × 262,550
4. Step 4: Simplify right side
   171,628x = 68,932,502,500
5. Step 5: Solve for x
   x = 68,932,502,500/171,628
6. Step 6: Final answer
   x = 401,639.02