Finding the Third Proportional to 3,922,158 and 8,474,540

Step by Step Solution

1. Step 1: Write the proportion equation
   3,922,158 : 8,474,540 = 8,474,540 : x
2. Step 2: Convert to fraction form
   3,922,158/8,474,540 = 8,474,540/x
3. Step 3: Cross multiply
   3,922,158x = 8,474,540 × 8,474,540
4. Step 4: Simplify right side
   3,922,158x = 71,817,828,211,600
5. Step 5: Solve for x
   x = 71,817,828,211,600/3,922,158
6. Step 6: Final answer
   x = 18,310,794.26