Finding the Third Proportional to 209,010 and 457,284

Step by Step Solution

1. Step 1: Write the proportion equation
   209,010 : 457,284 = 457,284 : x
2. Step 2: Convert to fraction form
   209,010/457,284 = 457,284/x
3. Step 3: Cross multiply
   209,010x = 457,284 × 457,284
4. Step 4: Simplify right side
   209,010x = 209,108,656,656
5. Step 5: Solve for x
   x = 209,108,656,656/209,010
6. Step 6: Final answer
   x = 1,000,472.02