Finding the Third Proportional to 2,143,644 and 3,317,724

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,644 : 3,317,724 = 3,317,724 : x
2. Step 2: Convert to fraction form
   2,143,644/3,317,724 = 3,317,724/x
3. Step 3: Cross multiply
   2,143,644x = 3,317,724 × 3,317,724
4. Step 4: Simplify right side
   2,143,644x = 11,007,292,540,176
5. Step 5: Solve for x
   x = 11,007,292,540,176/2,143,644
6. Step 6: Final answer
   x = 5,134,851.00