Finding the Third Proportional to 8,971,820 and 19,458,016

Step by Step Solution

1. Step 1: Write the proportion equation
   8,971,820 : 19,458,016 = 19,458,016 : x
2. Step 2: Convert to fraction form
   8,971,820/19,458,016 = 19,458,016/x
3. Step 3: Cross multiply
   8,971,820x = 19,458,016 × 19,458,016
4. Step 4: Simplify right side
   8,971,820x = 378,614,386,656,256
5. Step 5: Solve for x
   x = 378,614,386,656,256/8,971,820
6. Step 6: Final answer
   x = 42,200,399.32