Finding the Third Proportional to 820,672 and 1,282,848

Step by Step Solution

1. Step 1: Write the proportion equation
   820,672 : 1,282,848 = 1,282,848 : x
2. Step 2: Convert to fraction form
   820,672/1,282,848 = 1,282,848/x
3. Step 3: Cross multiply
   820,672x = 1,282,848 × 1,282,848
4. Step 4: Simplify right side
   820,672x = 1,645,698,991,104
5. Step 5: Solve for x
   x = 1,645,698,991,104/820,672
6. Step 6: Final answer
   x = 2,005,306.62