Finding the Third Proportional to 1,557,572 and 2,275,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,572 : 2,275,112 = 2,275,112 : x
2. Step 2: Convert to fraction form
   1,557,572/2,275,112 = 2,275,112/x
3. Step 3: Cross multiply
   1,557,572x = 2,275,112 × 2,275,112
4. Step 4: Simplify right side
   1,557,572x = 5,176,134,612,544
5. Step 5: Solve for x
   x = 5,176,134,612,544/1,557,572
6. Step 6: Final answer
   x = 3,323,207.28