Finding the Third Proportional to 2,199,426 and 3,405,519

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199,426 : 3,405,519 = 3,405,519 : x
2. Step 2: Convert to fraction form
   2,199,426/3,405,519 = 3,405,519/x
3. Step 3: Cross multiply
   2,199,426x = 3,405,519 × 3,405,519
4. Step 4: Simplify right side
   2,199,426x = 11,597,559,659,361
5. Step 5: Solve for x
   x = 11,597,559,659,361/2,199,426
6. Step 6: Final answer
   x = 5,272,993.80