Finding the Third Proportional to 171,908 and 262,804

Step by Step Solution

1. Step 1: Write the proportion equation
   171,908 : 262,804 = 262,804 : x
2. Step 2: Convert to fraction form
   171,908/262,804 = 262,804/x
3. Step 3: Cross multiply
   171,908x = 262,804 × 262,804
4. Step 4: Simplify right side
   171,908x = 69,065,942,416
5. Step 5: Solve for x
   x = 69,065,942,416/171,908
6. Step 6: Final answer
   x = 401,761.07