Finding the Third Proportional to 2,658,474 and 3,986,736

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,474 : 3,986,736 = 3,986,736 : x
2. Step 2: Convert to fraction form
   2,658,474/3,986,736 = 3,986,736/x
3. Step 3: Cross multiply
   2,658,474x = 3,986,736 × 3,986,736
4. Step 4: Simplify right side
   2,658,474x = 15,894,063,933,696
5. Step 5: Solve for x
   x = 15,894,063,933,696/2,658,474
6. Step 6: Final answer
   x = 5,978,641.86