Finding the Third Proportional to 815,879 and 1,767,354

Step by Step Solution

1. Step 1: Write the proportion equation
   815,879 : 1,767,354 = 1,767,354 : x
2. Step 2: Convert to fraction form
   815,879/1,767,354 = 1,767,354/x
3. Step 3: Cross multiply
   815,879x = 1,767,354 × 1,767,354
4. Step 4: Simplify right side
   815,879x = 3,123,540,161,316
5. Step 5: Solve for x
   x = 3,123,540,161,316/815,879
6. Step 6: Final answer
   x = 3,828,435.54