Finding the Third Proportional to 815,874 and 1,767,344

Step by Step Solution

1. Step 1: Write the proportion equation
   815,874 : 1,767,344 = 1,767,344 : x
2. Step 2: Convert to fraction form
   815,874/1,767,344 = 1,767,344/x
3. Step 3: Cross multiply
   815,874x = 1,767,344 × 1,767,344
4. Step 4: Simplify right side
   815,874x = 3,123,504,814,336
5. Step 5: Solve for x
   x = 3,123,504,814,336/815,874
6. Step 6: Final answer
   x = 3,828,415.68