Finding the Third Proportional to 1,241,821 and 1,821,834

Step by Step Solution

1. Step 1: Write the proportion equation
   1,241,821 : 1,821,834 = 1,821,834 : x
2. Step 2: Convert to fraction form
   1,241,821/1,821,834 = 1,821,834/x
3. Step 3: Cross multiply
   1,241,821x = 1,821,834 × 1,821,834
4. Step 4: Simplify right side
   1,241,821x = 3,319,079,123,556
5. Step 5: Solve for x
   x = 3,319,079,123,556/1,241,821
6. Step 6: Final answer
   x = 2,672,751.65