Finding the Third Proportional to 949,378 and 1,424,256

Step by Step Solution

1. Step 1: Write the proportion equation
   949,378 : 1,424,256 = 1,424,256 : x
2. Step 2: Convert to fraction form
   949,378/1,424,256 = 1,424,256/x
3. Step 3: Cross multiply
   949,378x = 1,424,256 × 1,424,256
4. Step 4: Simplify right side
   949,378x = 2,028,505,153,536
5. Step 5: Solve for x
   x = 2,028,505,153,536/949,378
6. Step 6: Final answer
   x = 2,136,667.54