Finding the Third Proportional to 5,470,896 and 8,581,917

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470,896 : 8,581,917 = 8,581,917 : x
2. Step 2: Convert to fraction form
   5,470,896/8,581,917 = 8,581,917/x
3. Step 3: Cross multiply
   5,470,896x = 8,581,917 × 8,581,917
4. Step 4: Simplify right side
   5,470,896x = 73,649,299,394,889
5. Step 5: Solve for x
   x = 73,649,299,394,889/5,470,896
6. Step 6: Final answer
   x = 13,462,017.81