Finding the Third Proportional to 889,780 and 1,956,648

Step by Step Solution

1. Step 1: Write the proportion equation
   889,780 : 1,956,648 = 1,956,648 : x
2. Step 2: Convert to fraction form
   889,780/1,956,648 = 1,956,648/x
3. Step 3: Cross multiply
   889,780x = 1,956,648 × 1,956,648
4. Step 4: Simplify right side
   889,780x = 3,828,471,395,904
5. Step 5: Solve for x
   x = 3,828,471,395,904/889,780
6. Step 6: Final answer
   x = 4,302,716.85