Finding the Third Proportional to 854,408 and 1,819,246

Step by Step Solution

1. Step 1: Write the proportion equation
   854,408 : 1,819,246 = 1,819,246 : x
2. Step 2: Convert to fraction form
   854,408/1,819,246 = 1,819,246/x
3. Step 3: Cross multiply
   854,408x = 1,819,246 × 1,819,246
4. Step 4: Simplify right side
   854,408x = 3,309,656,008,516
5. Step 5: Solve for x
   x = 3,309,656,008,516/854,408
6. Step 6: Final answer
   x = 3,873,624.79