Finding the Third Proportional to 213,417 and 494,085.38

Step by Step Solution

1. Step 1: Write the proportion equation
   213,417 : 494,085.38 = 494,085.38 : x
2. Step 2: Convert to fraction form
   213,417/494,085.38 = 494,085.38/x
3. Step 3: Cross multiply
   213,417x = 494,085.38 × 494,085.38
4. Step 4: Simplify right side
   213,417x = 244,120,357,788.89
5. Step 5: Solve for x
   x = 244,120,357,788.89/213,417
6. Step 6: Final answer
   x = 1,143,865.57