Finding the Third Proportional to 635,433 and 990,662

Step by Step Solution

1. Step 1: Write the proportion equation
   635,433 : 990,662 = 990,662 : x
2. Step 2: Convert to fraction form
   635,433/990,662 = 990,662/x
3. Step 3: Cross multiply
   635,433x = 990,662 × 990,662
4. Step 4: Simplify right side
   635,433x = 981,411,198,244
5. Step 5: Solve for x
   x = 981,411,198,244/635,433
6. Step 6: Final answer
   x = 1,544,476.28