Finding the Third Proportional to 2,564,712 and 3,987,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,712 : 3,987,072 = 3,987,072 : x
2. Step 2: Convert to fraction form
   2,564,712/3,987,072 = 3,987,072/x
3. Step 3: Cross multiply
   2,564,712x = 3,987,072 × 3,987,072
4. Step 4: Simplify right side
   2,564,712x = 15,896,743,133,184
5. Step 5: Solve for x
   x = 15,896,743,133,184/2,564,712
6. Step 6: Final answer
   x = 6,198,256.62