Finding the Third Proportional to 2,691,522 and 3,998,403

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691,522 : 3,998,403 = 3,998,403 : x
2. Step 2: Convert to fraction form
   2,691,522/3,998,403 = 3,998,403/x
3. Step 3: Cross multiply
   2,691,522x = 3,998,403 × 3,998,403
4. Step 4: Simplify right side
   2,691,522x = 15,987,226,550,409
5. Step 5: Solve for x
   x = 15,987,226,550,409/2,691,522
6. Step 6: Final answer
   x = 5,939,846.14