Finding the Third Proportional to 557,608 and 1,187,144

Step by Step Solution

1. Step 1: Write the proportion equation
   557,608 : 1,187,144 = 1,187,144 : x
2. Step 2: Convert to fraction form
   557,608/1,187,144 = 1,187,144/x
3. Step 3: Cross multiply
   557,608x = 1,187,144 × 1,187,144
4. Step 4: Simplify right side
   557,608x = 1,409,310,876,736
5. Step 5: Solve for x
   x = 1,409,310,876,736/557,608
6. Step 6: Final answer
   x = 2,527,422.27