Finding the Third Proportional to 1,557,256 and 3,378,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,256 : 3,378,896 = 3,378,896 : x
2. Step 2: Convert to fraction form
   1,557,256/3,378,896 = 3,378,896/x
3. Step 3: Cross multiply
   1,557,256x = 3,378,896 × 3,378,896
4. Step 4: Simplify right side
   1,557,256x = 11,416,938,178,816
5. Step 5: Solve for x
   x = 11,416,938,178,816/1,557,256
6. Step 6: Final answer
   x = 7,331,445.94