Finding the Third Proportional to 815,886 and 1,767,366

Step by Step Solution

1. Step 1: Write the proportion equation
   815,886 : 1,767,366 = 1,767,366 : x
2. Step 2: Convert to fraction form
   815,886/1,767,366 = 1,767,366/x
3. Step 3: Cross multiply
   815,886x = 1,767,366 × 1,767,366
4. Step 4: Simplify right side
   815,886x = 3,123,582,577,956
5. Step 5: Solve for x
   x = 3,123,582,577,956/815,886
6. Step 6: Final answer
   x = 3,828,454.68