Finding the Third Proportional to 557,523 and 1,221,804

Step by Step Solution

1. Step 1: Write the proportion equation
   557,523 : 1,221,804 = 1,221,804 : x
2. Step 2: Convert to fraction form
   557,523/1,221,804 = 1,221,804/x
3. Step 3: Cross multiply
   557,523x = 1,221,804 × 1,221,804
4. Step 4: Simplify right side
   557,523x = 1,492,805,014,416
5. Step 5: Solve for x
   x = 1,492,805,014,416/557,523
6. Step 6: Final answer
   x = 2,677,566.69