Finding the Third Proportional to 557,440 and 1,086,848

Step by Step Solution

1. Step 1: Write the proportion equation
   557,440 : 1,086,848 = 1,086,848 : x
2. Step 2: Convert to fraction form
   557,440/1,086,848 = 1,086,848/x
3. Step 3: Cross multiply
   557,440x = 1,086,848 × 1,086,848
4. Step 4: Simplify right side
   557,440x = 1,181,238,575,104
5. Step 5: Solve for x
   x = 1,181,238,575,104/557,440
6. Step 6: Final answer
   x = 2,119,041.65