Finding the Third Proportional to 2,874,192 and 3,996,288

Step by Step Solution

1. Step 1: Write the proportion equation
   2,874,192 : 3,996,288 = 3,996,288 : x
2. Step 2: Convert to fraction form
   2,874,192/3,996,288 = 3,996,288/x
3. Step 3: Cross multiply
   2,874,192x = 3,996,288 × 3,996,288
4. Step 4: Simplify right side
   2,874,192x = 15,970,317,778,944
5. Step 5: Solve for x
   x = 15,970,317,778,944/2,874,192
6. Step 6: Final answer
   x = 5,556,454.75