Finding the Third Proportional to 1,427,414 and 2,212,836

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,414 : 2,212,836 = 2,212,836 : x
2. Step 2: Convert to fraction form
   1,427,414/2,212,836 = 2,212,836/x
3. Step 3: Cross multiply
   1,427,414x = 2,212,836 × 2,212,836
4. Step 4: Simplify right side
   1,427,414x = 4,896,643,162,896
5. Step 5: Solve for x
   x = 4,896,643,162,896/1,427,414
6. Step 6: Final answer
   x = 3,430,429.55