Finding the Third Proportional to 809,848 and 1,257,216

Step by Step Solution

1. Step 1: Write the proportion equation
   809,848 : 1,257,216 = 1,257,216 : x
2. Step 2: Convert to fraction form
   809,848/1,257,216 = 1,257,216/x
3. Step 3: Cross multiply
   809,848x = 1,257,216 × 1,257,216
4. Step 4: Simplify right side
   809,848x = 1,580,592,070,656
5. Step 5: Solve for x
   x = 1,580,592,070,656/809,848
6. Step 6: Final answer
   x = 1,951,714.48