Finding the Third Proportional to 622,428 and 1,365,384

Step by Step Solution

1. Step 1: Write the proportion equation
   622,428 : 1,365,384 = 1,365,384 : x
2. Step 2: Convert to fraction form
   622,428/1,365,384 = 1,365,384/x
3. Step 3: Cross multiply
   622,428x = 1,365,384 × 1,365,384
4. Step 4: Simplify right side
   622,428x = 1,864,273,467,456
5. Step 5: Solve for x
   x = 1,864,273,467,456/622,428
6. Step 6: Final answer
   x = 2,995,163.24