Finding the Third Proportional to 1,236,806 and 1,891,991

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,806 : 1,891,991 = 1,891,991 : x
2. Step 2: Convert to fraction form
   1,236,806/1,891,991 = 1,891,991/x
3. Step 3: Cross multiply
   1,236,806x = 1,891,991 × 1,891,991
4. Step 4: Simplify right side
   1,236,806x = 3,579,629,944,081
5. Step 5: Solve for x
   x = 3,579,629,944,081/1,236,806
6. Step 6: Final answer
   x = 2,894,253.38