Finding the Third Proportional to 5,470,894 and 8,581,912

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470,894 : 8,581,912 = 8,581,912 : x
2. Step 2: Convert to fraction form
   5,470,894/8,581,912 = 8,581,912/x
3. Step 3: Cross multiply
   5,470,894x = 8,581,912 × 8,581,912
4. Step 4: Simplify right side
   5,470,894x = 73,649,213,575,744
5. Step 5: Solve for x
   x = 73,649,213,575,744/5,470,894
6. Step 6: Final answer
   x = 13,462,007.05