Finding the Third Proportional to 210,204 and 491,706

Step by Step Solution

1. Step 1: Write the proportion equation
   210,204 : 491,706 = 491,706 : x
2. Step 2: Convert to fraction form
   210,204/491,706 = 491,706/x
3. Step 3: Cross multiply
   210,204x = 491,706 × 491,706
4. Step 4: Simplify right side
   210,204x = 241,774,790,436
5. Step 5: Solve for x
   x = 241,774,790,436/210,204
6. Step 6: Final answer
   x = 1,150,191.20