Finding the Third Proportional to 209,270 and 457,662

Step by Step Solution

1. Step 1: Write the proportion equation
   209,270 : 457,662 = 457,662 : x
2. Step 2: Convert to fraction form
   209,270/457,662 = 457,662/x
3. Step 3: Cross multiply
   209,270x = 457,662 × 457,662
4. Step 4: Simplify right side
   209,270x = 209,454,506,244
5. Step 5: Solve for x
   x = 209,454,506,244/209,270
6. Step 6: Final answer
   x = 1,000,881.67