Finding the Third Proportional to 2,469,222 and 5,390,910

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469,222 : 5,390,910 = 5,390,910 : x
2. Step 2: Convert to fraction form
   2,469,222/5,390,910 = 5,390,910/x
3. Step 3: Cross multiply
   2,469,222x = 5,390,910 × 5,390,910
4. Step 4: Simplify right side
   2,469,222x = 29,061,910,628,100
5. Step 5: Solve for x
   x = 29,061,910,628,100/2,469,222
6. Step 6: Final answer
   x = 11,769,662.93