Finding the Third Proportional to 1,584,856 and 3,428,020

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,856 : 3,428,020 = 3,428,020 : x
2. Step 2: Convert to fraction form
   1,584,856/3,428,020 = 3,428,020/x
3. Step 3: Cross multiply
   1,584,856x = 3,428,020 × 3,428,020
4. Step 4: Simplify right side
   1,584,856x = 11,751,321,120,400
5. Step 5: Solve for x
   x = 11,751,321,120,400/1,584,856
6. Step 6: Final answer
   x = 7,414,756.37