Finding the Third Proportional to 590,828 and 1,288,592

Step by Step Solution

1. Step 1: Write the proportion equation
   590,828 : 1,288,592 = 1,288,592 : x
2. Step 2: Convert to fraction form
   590,828/1,288,592 = 1,288,592/x
3. Step 3: Cross multiply
   590,828x = 1,288,592 × 1,288,592
4. Step 4: Simplify right side
   590,828x = 1,660,469,342,464
5. Step 5: Solve for x
   x = 1,660,469,342,464/590,828
6. Step 6: Final answer
   x = 2,810,410.72