Finding the Third Proportional to 2,505,420 and 3,873,270

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505,420 : 3,873,270 = 3,873,270 : x
2. Step 2: Convert to fraction form
   2,505,420/3,873,270 = 3,873,270/x
3. Step 3: Cross multiply
   2,505,420x = 3,873,270 × 3,873,270
4. Step 4: Simplify right side
   2,505,420x = 15,002,220,492,900
5. Step 5: Solve for x
   x = 15,002,220,492,900/2,505,420
6. Step 6: Final answer
   x = 5,987,906.42