Finding the Third Proportional to 756,800 and 1,171,920

Step by Step Solution

1. Step 1: Write the proportion equation
   756,800 : 1,171,920 = 1,171,920 : x
2. Step 2: Convert to fraction form
   756,800/1,171,920 = 1,171,920/x
3. Step 3: Cross multiply
   756,800x = 1,171,920 × 1,171,920
4. Step 4: Simplify right side
   756,800x = 1,373,396,486,400
5. Step 5: Solve for x
   x = 1,373,396,486,400/756,800
6. Step 6: Final answer
   x = 1,814,741.66