Finding the Third Proportional to 1,400,976 and 2,136,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400,976 : 2,136,456 = 2,136,456 : x
2. Step 2: Convert to fraction form
   1,400,976/2,136,456 = 2,136,456/x
3. Step 3: Cross multiply
   1,400,976x = 2,136,456 × 2,136,456
4. Step 4: Simplify right side
   1,400,976x = 4,564,444,239,936
5. Step 5: Solve for x
   x = 4,564,444,239,936/1,400,976
6. Step 6: Final answer
   x = 3,258,045.99