Finding the Third Proportional to 541,823 and 858,662

Step by Step Solution

1. Step 1: Write the proportion equation
   541,823 : 858,662 = 858,662 : x
2. Step 2: Convert to fraction form
   541,823/858,662 = 858,662/x
3. Step 3: Cross multiply
   541,823x = 858,662 × 858,662
4. Step 4: Simplify right side
   541,823x = 737,300,430,244
5. Step 5: Solve for x
   x = 737,300,430,244/541,823
6. Step 6: Final answer
   x = 1,360,777.28