Finding the Third Proportional to 2,658,894 and 3,987,340

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,894 : 3,987,340 = 3,987,340 : x
2. Step 2: Convert to fraction form
   2,658,894/3,987,340 = 3,987,340/x
3. Step 3: Cross multiply
   2,658,894x = 3,987,340 × 3,987,340
4. Step 4: Simplify right side
   2,658,894x = 15,898,880,275,600
5. Step 5: Solve for x
   x = 15,898,880,275,600/2,658,894
6. Step 6: Final answer
   x = 5,979,508.88