Finding the Third Proportional to 538,860 and 1,173,669

Step by Step Solution

1. Step 1: Write the proportion equation
   538,860 : 1,173,669 = 1,173,669 : x
2. Step 2: Convert to fraction form
   538,860/1,173,669 = 1,173,669/x
3. Step 3: Cross multiply
   538,860x = 1,173,669 × 1,173,669
4. Step 4: Simplify right side
   538,860x = 1,377,498,921,561
5. Step 5: Solve for x
   x = 1,377,498,921,561/538,860
6. Step 6: Final answer
   x = 2,556,320.61