Finding the Third Proportional to 522,078 and 830,734

Step by Step Solution

1. Step 1: Write the proportion equation
   522,078 : 830,734 = 830,734 : x
2. Step 2: Convert to fraction form
   522,078/830,734 = 830,734/x
3. Step 3: Cross multiply
   522,078x = 830,734 × 830,734
4. Step 4: Simplify right side
   522,078x = 690,118,978,756
5. Step 5: Solve for x
   x = 690,118,978,756/522,078
6. Step 6: Final answer
   x = 1,321,869.49