Finding the Third Proportional to 1,449,296 and 2,129,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,296 : 2,129,628 = 2,129,628 : x
2. Step 2: Convert to fraction form
   1,449,296/2,129,628 = 2,129,628/x
3. Step 3: Cross multiply
   1,449,296x = 2,129,628 × 2,129,628
4. Step 4: Simplify right side
   1,449,296x = 4,535,315,418,384
5. Step 5: Solve for x
   x = 4,535,315,418,384/1,449,296
6. Step 6: Final answer
   x = 3,129,323.08