Finding the Third Proportional to 1,089,292 and 1,679,874

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,292 : 1,679,874 = 1,679,874 : x
2. Step 2: Convert to fraction form
   1,089,292/1,679,874 = 1,679,874/x
3. Step 3: Cross multiply
   1,089,292x = 1,679,874 × 1,679,874
4. Step 4: Simplify right side
   1,089,292x = 2,821,976,655,876
5. Step 5: Solve for x
   x = 2,821,976,655,876/1,089,292
6. Step 6: Final answer
   x = 2,590,652.14