Finding the Third Proportional to 779,040 and 1,173,686

Step by Step Solution

1. Step 1: Write the proportion equation
   779,040 : 1,173,686 = 1,173,686 : x
2. Step 2: Convert to fraction form
   779,040/1,173,686 = 1,173,686/x
3. Step 3: Cross multiply
   779,040x = 1,173,686 × 1,173,686
4. Step 4: Simplify right side
   779,040x = 1,377,538,826,596
5. Step 5: Solve for x
   x = 1,377,538,826,596/779,040
6. Step 6: Final answer
   x = 1,768,251.73