Finding the Third Proportional to 1,821,298 and 2,672,898

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,298 : 2,672,898 = 2,672,898 : x
2. Step 2: Convert to fraction form
   1,821,298/2,672,898 = 2,672,898/x
3. Step 3: Cross multiply
   1,821,298x = 2,672,898 × 2,672,898
4. Step 4: Simplify right side
   1,821,298x = 7,144,383,718,404
5. Step 5: Solve for x
   x = 7,144,383,718,404/1,821,298
6. Step 6: Final answer
   x = 3,922,687.95