Finding the Third Proportional to 213,532 and 494,274

Step by Step Solution

1. Step 1: Write the proportion equation
   213,532 : 494,274 = 494,274 : x
2. Step 2: Convert to fraction form
   213,532/494,274 = 494,274/x
3. Step 3: Cross multiply
   213,532x = 494,274 × 494,274
4. Step 4: Simplify right side
   213,532x = 244,306,787,076
5. Step 5: Solve for x
   x = 244,306,787,076/213,532
6. Step 6: Final answer
   x = 1,144,122.60