Finding the Third Proportional to 844,672 and 1,821,368

Step by Step Solution

1. Step 1: Write the proportion equation
   844,672 : 1,821,368 = 1,821,368 : x
2. Step 2: Convert to fraction form
   844,672/1,821,368 = 1,821,368/x
3. Step 3: Cross multiply
   844,672x = 1,821,368 × 1,821,368
4. Step 4: Simplify right side
   844,672x = 3,317,381,391,424
5. Step 5: Solve for x
   x = 3,317,381,391,424/844,672
6. Step 6: Final answer
   x = 3,927,419.63