Finding the Third Proportional to 2,089,719 and 4,267,992

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089,719 : 4,267,992 = 4,267,992 : x
2. Step 2: Convert to fraction form
   2,089,719/4,267,992 = 4,267,992/x
3. Step 3: Cross multiply
   2,089,719x = 4,267,992 × 4,267,992
4. Step 4: Simplify right side
   2,089,719x = 18,215,755,712,064
5. Step 5: Solve for x
   x = 18,215,755,712,064/2,089,719
6. Step 6: Final answer
   x = 8,716,844.57