Finding the Third Proportional to 3,979,370 and 8,594,122

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,370 : 8,594,122 = 8,594,122 : x
2. Step 2: Convert to fraction form
   3,979,370/8,594,122 = 8,594,122/x
3. Step 3: Cross multiply
   3,979,370x = 8,594,122 × 8,594,122
4. Step 4: Simplify right side
   3,979,370x = 73,858,932,950,884
5. Step 5: Solve for x
   x = 73,858,932,950,884/3,979,370
6. Step 6: Final answer
   x = 18,560,458.80