Finding the Third Proportional to 535,734 and 809,075.25

Step by Step Solution

1. Step 1: Write the proportion equation
   535,734 : 809,075.25 = 809,075.25 : x
2. Step 2: Convert to fraction form
   535,734/809,075.25 = 809,075.25/x
3. Step 3: Cross multiply
   535,734x = 809,075.25 × 809,075.25
4. Step 4: Simplify right side
   535,734x = 654,602,760,162.56
5. Step 5: Solve for x
   x = 654,602,760,162.56/535,734
6. Step 6: Final answer
   x = 1,221,880.19