Finding the Third Proportional to 434,469 and 908,662

Step by Step Solution

1. Step 1: Write the proportion equation
   434,469 : 908,662 = 908,662 : x
2. Step 2: Convert to fraction form
   434,469/908,662 = 908,662/x
3. Step 3: Cross multiply
   434,469x = 908,662 × 908,662
4. Step 4: Simplify right side
   434,469x = 825,666,630,244
5. Step 5: Solve for x
   x = 825,666,630,244/434,469
6. Step 6: Final answer
   x = 1,900,404.01