Finding the Third Proportional to 53,337 and 123,479

Step by Step Solution

1. Step 1: Write the proportion equation
   53,337 : 123,479 = 123,479 : x
2. Step 2: Convert to fraction form
   53,337/123,479 = 123,479/x
3. Step 3: Cross multiply
   53,337x = 123,479 × 123,479
4. Step 4: Simplify right side
   53,337x = 15,247,063,441
5. Step 5: Solve for x
   x = 15,247,063,441/53,337
6. Step 6: Final answer
   x = 285,862.79