Finding the Third Proportional to 1,521,828 and 2,277,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,828 : 2,277,990 = 2,277,990 : x
2. Step 2: Convert to fraction form
   1,521,828/2,277,990 = 2,277,990/x
3. Step 3: Cross multiply
   1,521,828x = 2,277,990 × 2,277,990
4. Step 4: Simplify right side
   1,521,828x = 5,189,238,440,100
5. Step 5: Solve for x
   x = 5,189,238,440,100/1,521,828
6. Step 6: Final answer
   x = 3,409,871.84