Finding the Third Proportional to 1,805,876 and 4,262,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,876 : 4,262,780 = 4,262,780 : x
2. Step 2: Convert to fraction form
   1,805,876/4,262,780 = 4,262,780/x
3. Step 3: Cross multiply
   1,805,876x = 4,262,780 × 4,262,780
4. Step 4: Simplify right side
   1,805,876x = 18,171,293,328,400
5. Step 5: Solve for x
   x = 18,171,293,328,400/1,805,876
6. Step 6: Final answer
   x = 10,062,315.09