Finding the Third Proportional to 1,189,458 and 1,778,994

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,458 : 1,778,994 = 1,778,994 : x
2. Step 2: Convert to fraction form
   1,189,458/1,778,994 = 1,778,994/x
3. Step 3: Cross multiply
   1,189,458x = 1,778,994 × 1,778,994
4. Step 4: Simplify right side
   1,189,458x = 3,164,819,652,036
5. Step 5: Solve for x
   x = 3,164,819,652,036/1,189,458
6. Step 6: Final answer
   x = 2,660,724.17