Finding the Third Proportional to 5,470,889 and 8,581,906

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470,889 : 8,581,906 = 8,581,906 : x
2. Step 2: Convert to fraction form
   5,470,889/8,581,906 = 8,581,906/x
3. Step 3: Cross multiply
   5,470,889x = 8,581,906 × 8,581,906
4. Step 4: Simplify right side
   5,470,889x = 73,649,110,592,836
5. Step 5: Solve for x
   x = 73,649,110,592,836/5,470,889
6. Step 6: Final answer
   x = 13,462,000.53