Finding the Third Proportional to 557,556 and 1,187,040

Step by Step Solution

1. Step 1: Write the proportion equation
   557,556 : 1,187,040 = 1,187,040 : x
2. Step 2: Convert to fraction form
   557,556/1,187,040 = 1,187,040/x
3. Step 3: Cross multiply
   557,556x = 1,187,040 × 1,187,040
4. Step 4: Simplify right side
   557,556x = 1,409,063,961,600
5. Step 5: Solve for x
   x = 1,409,063,961,600/557,556
6. Step 6: Final answer
   x = 2,527,215.13