Finding the Third Proportional to 1,823,590 and 3,968,258

Step by Step Solution

1. Step 1: Write the proportion equation
   1,823,590 : 3,968,258 = 3,968,258 : x
2. Step 2: Convert to fraction form
   1,823,590/3,968,258 = 3,968,258/x
3. Step 3: Cross multiply
   1,823,590x = 3,968,258 × 3,968,258
4. Step 4: Simplify right side
   1,823,590x = 15,747,071,554,564
5. Step 5: Solve for x
   x = 15,747,071,554,564/1,823,590
6. Step 6: Final answer
   x = 8,635,203.94