Finding the Third Proportional to 2,657,942 and 3,986,047

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657,942 : 3,986,047 = 3,986,047 : x
2. Step 2: Convert to fraction form
   2,657,942/3,986,047 = 3,986,047/x
3. Step 3: Cross multiply
   2,657,942x = 3,986,047 × 3,986,047
4. Step 4: Simplify right side
   2,657,942x = 15,888,570,686,209
5. Step 5: Solve for x
   x = 15,888,570,686,209/2,657,942
6. Step 6: Final answer
   x = 5,977,771.78