Finding the Third Proportional to 1,821,288 and 2,672,883

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,288 : 2,672,883 = 2,672,883 : x
2. Step 2: Convert to fraction form
   1,821,288/2,672,883 = 2,672,883/x
3. Step 3: Cross multiply
   1,821,288x = 2,672,883 × 2,672,883
4. Step 4: Simplify right side
   1,821,288x = 7,144,303,531,689
5. Step 5: Solve for x
   x = 7,144,303,531,689/1,821,288
6. Step 6: Final answer
   x = 3,922,665.46