Finding the Third Proportional to 1,236,804 and 1,891,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,804 : 1,891,990 = 1,891,990 : x
2. Step 2: Convert to fraction form
   1,236,804/1,891,990 = 1,891,990/x
3. Step 3: Cross multiply
   1,236,804x = 1,891,990 × 1,891,990
4. Step 4: Simplify right side
   1,236,804x = 3,579,626,160,100
5. Step 5: Solve for x
   x = 3,579,626,160,100/1,236,804
6. Step 6: Final answer
   x = 2,894,255.00