Finding the Third Proportional to 969,876 and 2,105,640

Step by Step Solution

1. Step 1: Write the proportion equation
   969,876 : 2,105,640 = 2,105,640 : x
2. Step 2: Convert to fraction form
   969,876/2,105,640 = 2,105,640/x
3. Step 3: Cross multiply
   969,876x = 2,105,640 × 2,105,640
4. Step 4: Simplify right side
   969,876x = 4,433,719,809,600
5. Step 5: Solve for x
   x = 4,433,719,809,600/969,876
6. Step 6: Final answer
   x = 4,571,429.55