Finding the Third Proportional to 854,406 and 1,819,242

Step by Step Solution

1. Step 1: Write the proportion equation
   854,406 : 1,819,242 = 1,819,242 : x
2. Step 2: Convert to fraction form
   854,406/1,819,242 = 1,819,242/x
3. Step 3: Cross multiply
   854,406x = 1,819,242 × 1,819,242
4. Step 4: Simplify right side
   854,406x = 3,309,641,454,564
5. Step 5: Solve for x
   x = 3,309,641,454,564/854,406
6. Step 6: Final answer
   x = 3,873,616.82