Finding the Third Proportional to 836,930 and 1,815,556

Step by Step Solution

1. Step 1: Write the proportion equation
   836,930 : 1,815,556 = 1,815,556 : x
2. Step 2: Convert to fraction form
   836,930/1,815,556 = 1,815,556/x
3. Step 3: Cross multiply
   836,930x = 1,815,556 × 1,815,556
4. Step 4: Simplify right side
   836,930x = 3,296,243,589,136
5. Step 5: Solve for x
   x = 3,296,243,589,136/836,930
6. Step 6: Final answer
   x = 3,938,493.77