Finding the Third Proportional to 210,364 and 458,802

Step by Step Solution

1. Step 1: Write the proportion equation
   210,364 : 458,802 = 458,802 : x
2. Step 2: Convert to fraction form
   210,364/458,802 = 458,802/x
3. Step 3: Cross multiply
   210,364x = 458,802 × 458,802
4. Step 4: Simplify right side
   210,364x = 210,499,275,204
5. Step 5: Solve for x
   x = 210,499,275,204/210,364
6. Step 6: Final answer
   x = 1,000,643.05