Finding the Third Proportional to 1,208,600 and 1,635,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208,600 : 1,635,628 = 1,635,628 : x
2. Step 2: Convert to fraction form
   1,208,600/1,635,628 = 1,635,628/x
3. Step 3: Cross multiply
   1,208,600x = 1,635,628 × 1,635,628
4. Step 4: Simplify right side
   1,208,600x = 2,675,278,954,384
5. Step 5: Solve for x
   x = 2,675,278,954,384/1,208,600
6. Step 6: Final answer
   x = 2,213,535.46