Finding the Third Proportional to 1,189,956 and 1,812,823

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,956 : 1,812,823 = 1,812,823 : x
2. Step 2: Convert to fraction form
   1,189,956/1,812,823 = 1,812,823/x
3. Step 3: Cross multiply
   1,189,956x = 1,812,823 × 1,812,823
4. Step 4: Simplify right side
   1,189,956x = 3,286,327,229,329
5. Step 5: Solve for x
   x = 3,286,327,229,329/1,189,956
6. Step 6: Final answer
   x = 2,761,721.63