Finding the Third Proportional to 854,359 and 1,819,147

Step by Step Solution

1. Step 1: Write the proportion equation
   854,359 : 1,819,147 = 1,819,147 : x
2. Step 2: Convert to fraction form
   854,359/1,819,147 = 1,819,147/x
3. Step 3: Cross multiply
   854,359x = 1,819,147 × 1,819,147
4. Step 4: Simplify right side
   854,359x = 3,309,295,807,609
5. Step 5: Solve for x
   x = 3,309,295,807,609/854,359
6. Step 6: Final answer
   x = 3,873,425.35