Finding the Third Proportional to 4,121,258 and 8,951,858

Step by Step Solution

1. Step 1: Write the proportion equation
   4,121,258 : 8,951,858 = 8,951,858 : x
2. Step 2: Convert to fraction form
   4,121,258/8,951,858 = 8,951,858/x
3. Step 3: Cross multiply
   4,121,258x = 8,951,858 × 8,951,858
4. Step 4: Simplify right side
   4,121,258x = 80,135,761,652,164
5. Step 5: Solve for x
   x = 80,135,761,652,164/4,121,258
6. Step 6: Final answer
   x = 19,444,490.41