Finding the Third Proportional to 3,466,638 and 4,993,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,466,638 : 4,993,380 = 4,993,380 : x
2. Step 2: Convert to fraction form
   3,466,638/4,993,380 = 4,993,380/x
3. Step 3: Cross multiply
   3,466,638x = 4,993,380 × 4,993,380
4. Step 4: Simplify right side
   3,466,638x = 24,933,843,824,400
5. Step 5: Solve for x
   x = 24,933,843,824,400/3,466,638
6. Step 6: Final answer
   x = 7,192,514.43