Finding the Third Proportional to 1,719,828 and 2,405,430

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719,828 : 2,405,430 = 2,405,430 : x
2. Step 2: Convert to fraction form
   1,719,828/2,405,430 = 2,405,430/x
3. Step 3: Cross multiply
   1,719,828x = 2,405,430 × 2,405,430
4. Step 4: Simplify right side
   1,719,828x = 5,786,093,484,900
5. Step 5: Solve for x
   x = 5,786,093,484,900/1,719,828
6. Step 6: Final answer
   x = 3,364,344.27