Finding the Third Proportional to 1,189,906 and 1,812,759

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,906 : 1,812,759 = 1,812,759 : x
2. Step 2: Convert to fraction form
   1,189,906/1,812,759 = 1,812,759/x
3. Step 3: Cross multiply
   1,189,906x = 1,812,759 × 1,812,759
4. Step 4: Simplify right side
   1,189,906x = 3,286,095,192,081
5. Step 5: Solve for x
   x = 3,286,095,192,081/1,189,906
6. Step 6: Final answer
   x = 2,761,642.68