Finding the Third Proportional to 677,200 and 1,444,400

Step by Step Solution

1. Step 1: Write the proportion equation
   677,200 : 1,444,400 = 1,444,400 : x
2. Step 2: Convert to fraction form
   677,200/1,444,400 = 1,444,400/x
3. Step 3: Cross multiply
   677,200x = 1,444,400 × 1,444,400
4. Step 4: Simplify right side
   677,200x = 2,086,291,360,000
5. Step 5: Solve for x
   x = 2,086,291,360,000/677,200
6. Step 6: Final answer
   x = 3,080,761.02