Finding the Third Proportional to 557,882 and 1,219,706

Step by Step Solution

1. Step 1: Write the proportion equation
   557,882 : 1,219,706 = 1,219,706 : x
2. Step 2: Convert to fraction form
   557,882/1,219,706 = 1,219,706/x
3. Step 3: Cross multiply
   557,882x = 1,219,706 × 1,219,706
4. Step 4: Simplify right side
   557,882x = 1,487,682,726,436
5. Step 5: Solve for x
   x = 1,487,682,726,436/557,882
6. Step 6: Final answer
   x = 2,666,661.99