Finding the Third Proportional to 2,089,715 and 4,267,984

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089,715 : 4,267,984 = 4,267,984 : x
2. Step 2: Convert to fraction form
   2,089,715/4,267,984 = 4,267,984/x
3. Step 3: Cross multiply
   2,089,715x = 4,267,984 × 4,267,984
4. Step 4: Simplify right side
   2,089,715x = 18,215,687,424,256
5. Step 5: Solve for x
   x = 18,215,687,424,256/2,089,715
6. Step 6: Final answer
   x = 8,716,828.57