Finding the Third Proportional to 854,388 and 1,819,206

Step by Step Solution

1. Step 1: Write the proportion equation
   854,388 : 1,819,206 = 1,819,206 : x
2. Step 2: Convert to fraction form
   854,388/1,819,206 = 1,819,206/x
3. Step 3: Cross multiply
   854,388x = 1,819,206 × 1,819,206
4. Step 4: Simplify right side
   854,388x = 3,309,510,470,436
5. Step 5: Solve for x
   x = 3,309,510,470,436/854,388
6. Step 6: Final answer
   x = 3,873,545.12