Finding the Third Proportional to 1,189,954 and 1,812,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,954 : 1,812,820 = 1,812,820 : x
2. Step 2: Convert to fraction form
   1,189,954/1,812,820 = 1,812,820/x
3. Step 3: Cross multiply
   1,189,954x = 1,812,820 × 1,812,820
4. Step 4: Simplify right side
   1,189,954x = 3,286,316,352,400
5. Step 5: Solve for x
   x = 3,286,316,352,400/1,189,954
6. Step 6: Final answer
   x = 2,761,717.14