Finding the Third Proportional to 2,199,204 and 3,405,222

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199,204 : 3,405,222 = 3,405,222 : x
2. Step 2: Convert to fraction form
   2,199,204/3,405,222 = 3,405,222/x
3. Step 3: Cross multiply
   2,199,204x = 3,405,222 × 3,405,222
4. Step 4: Simplify right side
   2,199,204x = 11,595,536,869,284
5. Step 5: Solve for x
   x = 11,595,536,869,284/2,199,204
6. Step 6: Final answer
   x = 5,272,606.30