Finding the Third Proportional to 1,824,956 and 3,970,993

Step by Step Solution

1. Step 1: Write the proportion equation
   1,824,956 : 3,970,993 = 3,970,993 : x
2. Step 2: Convert to fraction form
   1,824,956/3,970,993 = 3,970,993/x
3. Step 3: Cross multiply
   1,824,956x = 3,970,993 × 3,970,993
4. Step 4: Simplify right side
   1,824,956x = 15,768,785,406,049
5. Step 5: Solve for x
   x = 15,768,785,406,049/1,824,956
6. Step 6: Final answer
   x = 8,640,638.68