Finding the Third Proportional to 195,662 and 428,836

Step by Step Solution

1. Step 1: Write the proportion equation
   195,662 : 428,836 = 428,836 : x
2. Step 2: Convert to fraction form
   195,662/428,836 = 428,836/x
3. Step 3: Cross multiply
   195,662x = 428,836 × 428,836
4. Step 4: Simplify right side
   195,662x = 183,900,314,896
5. Step 5: Solve for x
   x = 183,900,314,896/195,662
6. Step 6: Final answer
   x = 939,887.74