Finding the Third Proportional to 1,192,978 and 1,806,843

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192,978 : 1,806,843 = 1,806,843 : x
2. Step 2: Convert to fraction form
   1,192,978/1,806,843 = 1,806,843/x
3. Step 3: Cross multiply
   1,192,978x = 1,806,843 × 1,806,843
4. Step 4: Simplify right side
   1,192,978x = 3,264,681,626,649
5. Step 5: Solve for x
   x = 3,264,681,626,649/1,192,978
6. Step 6: Final answer
   x = 2,736,581.59