Finding the Third Proportional to 2,660,796 and 3,987,090

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,796 : 3,987,090 = 3,987,090 : x
2. Step 2: Convert to fraction form
   2,660,796/3,987,090 = 3,987,090/x
3. Step 3: Cross multiply
   2,660,796x = 3,987,090 × 3,987,090
4. Step 4: Simplify right side
   2,660,796x = 15,896,886,668,100
5. Step 5: Solve for x
   x = 15,896,886,668,100/2,660,796
6. Step 6: Final answer
   x = 5,974,485.33