Finding the Third Proportional to 2,089,823 and 4,238,407

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089,823 : 4,238,407 = 4,238,407 : x
2. Step 2: Convert to fraction form
   2,089,823/4,238,407 = 4,238,407/x
3. Step 3: Cross multiply
   2,089,823x = 4,238,407 × 4,238,407
4. Step 4: Simplify right side
   2,089,823x = 17,964,093,897,649
5. Step 5: Solve for x
   x = 17,964,093,897,649/2,089,823
6. Step 6: Final answer
   x = 8,595,988.22