Finding the Third Proportional to 4,162,158 and 9,078,692

Step by Step Solution

1. Step 1: Write the proportion equation
   4,162,158 : 9,078,692 = 9,078,692 : x
2. Step 2: Convert to fraction form
   4,162,158/9,078,692 = 9,078,692/x
3. Step 3: Cross multiply
   4,162,158x = 9,078,692 × 9,078,692
4. Step 4: Simplify right side
   4,162,158x = 82,422,648,430,864
5. Step 5: Solve for x
   x = 82,422,648,430,864/4,162,158
6. Step 6: Final answer
   x = 19,802,863.91