Finding the Third Proportional to 173,082 and 262,871

Step by Step Solution

1. Step 1: Write the proportion equation
   173,082 : 262,871 = 262,871 : x
2. Step 2: Convert to fraction form
   173,082/262,871 = 262,871/x
3. Step 3: Cross multiply
   173,082x = 262,871 × 262,871
4. Step 4: Simplify right side
   173,082x = 69,101,162,641
5. Step 5: Solve for x
   x = 69,101,162,641/173,082
6. Step 6: Final answer
   x = 399,239.45