Finding the Third Proportional to 622,422 and 1,365,372

Step by Step Solution

1. Step 1: Write the proportion equation
   622,422 : 1,365,372 = 1,365,372 : x
2. Step 2: Convert to fraction form
   622,422/1,365,372 = 1,365,372/x
3. Step 3: Cross multiply
   622,422x = 1,365,372 × 1,365,372
4. Step 4: Simplify right side
   622,422x = 1,864,240,698,384
5. Step 5: Solve for x
   x = 1,864,240,698,384/622,422
6. Step 6: Final answer
   x = 2,995,139.47