Finding the Third Proportional to 505,728 and 1,075,820

Step by Step Solution

1. Step 1: Write the proportion equation
   505,728 : 1,075,820 = 1,075,820 : x
2. Step 2: Convert to fraction form
   505,728/1,075,820 = 1,075,820/x
3. Step 3: Cross multiply
   505,728x = 1,075,820 × 1,075,820
4. Step 4: Simplify right side
   505,728x = 1,157,388,672,400
5. Step 5: Solve for x
   x = 1,157,388,672,400/505,728
6. Step 6: Final answer
   x = 2,288,559.61