Finding the Third Proportional to 854,414 and 1,819,258

Step by Step Solution

1. Step 1: Write the proportion equation
   854,414 : 1,819,258 = 1,819,258 : x
2. Step 2: Convert to fraction form
   854,414/1,819,258 = 1,819,258/x
3. Step 3: Cross multiply
   854,414x = 1,819,258 × 1,819,258
4. Step 4: Simplify right side
   854,414x = 3,309,699,670,564
5. Step 5: Solve for x
   x = 3,309,699,670,564/854,414
6. Step 6: Final answer
   x = 3,873,648.69