Finding the Third Proportional to 2,657,936 and 3,986,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657,936 : 3,986,072 = 3,986,072 : x
2. Step 2: Convert to fraction form
   2,657,936/3,986,072 = 3,986,072/x
3. Step 3: Cross multiply
   2,657,936x = 3,986,072 × 3,986,072
4. Step 4: Simplify right side
   2,657,936x = 15,888,769,989,184
5. Step 5: Solve for x
   x = 15,888,769,989,184/2,657,936
6. Step 6: Final answer
   x = 5,977,860.26