Finding the Third Proportional to 5,425,208 and 8,392,919

Step by Step Solution

1. Step 1: Write the proportion equation
   5,425,208 : 8,392,919 = 8,392,919 : x
2. Step 2: Convert to fraction form
   5,425,208/8,392,919 = 8,392,919/x
3. Step 3: Cross multiply
   5,425,208x = 8,392,919 × 8,392,919
4. Step 4: Simplify right side
   5,425,208x = 70,441,089,340,561
5. Step 5: Solve for x
   x = 70,441,089,340,561/5,425,208
6. Step 6: Final answer
   x = 12,984,034.78