Finding the Third Proportional to 817,872 and 1,675,419

Step by Step Solution

1. Step 1: Write the proportion equation
   817,872 : 1,675,419 = 1,675,419 : x
2. Step 2: Convert to fraction form
   817,872/1,675,419 = 1,675,419/x
3. Step 3: Cross multiply
   817,872x = 1,675,419 × 1,675,419
4. Step 4: Simplify right side
   817,872x = 2,807,028,825,561
5. Step 5: Solve for x
   x = 2,807,028,825,561/817,872
6. Step 6: Final answer
   x = 3,432,112.64