Finding the Third Proportional to 775,720 and 1,200,444

Step by Step Solution

1. Step 1: Write the proportion equation
   775,720 : 1,200,444 = 1,200,444 : x
2. Step 2: Convert to fraction form
   775,720/1,200,444 = 1,200,444/x
3. Step 3: Cross multiply
   775,720x = 1,200,444 × 1,200,444
4. Step 4: Simplify right side
   775,720x = 1,441,065,797,136
5. Step 5: Solve for x
   x = 1,441,065,797,136/775,720
6. Step 6: Final answer
   x = 1,857,713.86