Finding the Third Proportional to 580,455 and 836,075.25

Step by Step Solution

1. Step 1: Write the proportion equation
   580,455 : 836,075.25 = 836,075.25 : x
2. Step 2: Convert to fraction form
   580,455/836,075.25 = 836,075.25/x
3. Step 3: Cross multiply
   580,455x = 836,075.25 × 836,075.25
4. Step 4: Simplify right side
   580,455x = 699,021,823,662.56
5. Step 5: Solve for x
   x = 699,021,823,662.56/580,455
6. Step 6: Final answer
   x = 1,204,265.32