Finding the Third Proportional to 2,874,143 and 3,996,223

Step by Step Solution

1. Step 1: Write the proportion equation
   2,874,143 : 3,996,223 = 3,996,223 : x
2. Step 2: Convert to fraction form
   2,874,143/3,996,223 = 3,996,223/x
3. Step 3: Cross multiply
   2,874,143x = 3,996,223 × 3,996,223
4. Step 4: Simplify right side
   2,874,143x = 15,969,798,265,729
5. Step 5: Solve for x
   x = 15,969,798,265,729/2,874,143
6. Step 6: Final answer
   x = 5,556,368.72