Finding the Third Proportional to 1,797,422 and 3,909,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,797,422 : 3,909,772 = 3,909,772 : x
2. Step 2: Convert to fraction form
   1,797,422/3,909,772 = 3,909,772/x
3. Step 3: Cross multiply
   1,797,422x = 3,909,772 × 3,909,772
4. Step 4: Simplify right side
   1,797,422x = 15,286,317,091,984
5. Step 5: Solve for x
   x = 15,286,317,091,984/1,797,422
6. Step 6: Final answer
   x = 8,504,578.83