Finding the Third Proportional to 1,557,720 and 2,275,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,720 : 2,275,308 = 2,275,308 : x
2. Step 2: Convert to fraction form
   1,557,720/2,275,308 = 2,275,308/x
3. Step 3: Cross multiply
   1,557,720x = 2,275,308 × 2,275,308
4. Step 4: Simplify right side
   1,557,720x = 5,177,026,494,864
5. Step 5: Solve for x
   x = 5,177,026,494,864/1,557,720
6. Step 6: Final answer
   x = 3,323,464.10