Finding the Third Proportional to 123,284 and 262,454

Step by Step Solution

1. Step 1: Write the proportion equation
   123,284 : 262,454 = 262,454 : x
2. Step 2: Convert to fraction form
   123,284/262,454 = 262,454/x
3. Step 3: Cross multiply
   123,284x = 262,454 × 262,454
4. Step 4: Simplify right side
   123,284x = 68,882,102,116
5. Step 5: Solve for x
   x = 68,882,102,116/123,284
6. Step 6: Final answer
   x = 558,727.02