Finding the Third Proportional to 210,366 and 458,748

Step by Step Solution

1. Step 1: Write the proportion equation
   210,366 : 458,748 = 458,748 : x
2. Step 2: Convert to fraction form
   210,366/458,748 = 458,748/x
3. Step 3: Cross multiply
   210,366x = 458,748 × 458,748
4. Step 4: Simplify right side
   210,366x = 210,449,727,504
5. Step 5: Solve for x
   x = 210,449,727,504/210,366
6. Step 6: Final answer
   x = 1,000,398.01