Finding the Third Proportional to 854,370 and 1,819,170

Step by Step Solution

1. Step 1: Write the proportion equation
   854,370 : 1,819,170 = 1,819,170 : x
2. Step 2: Convert to fraction form
   854,370/1,819,170 = 1,819,170/x
3. Step 3: Cross multiply
   854,370x = 1,819,170 × 1,819,170
4. Step 4: Simplify right side
   854,370x = 3,309,379,488,900
5. Step 5: Solve for x
   x = 3,309,379,488,900/854,370
6. Step 6: Final answer
   x = 3,873,473.42