Finding the Third Proportional to 8,199,022 and 18,981,139

Step by Step Solution

1. Step 1: Write the proportion equation
   8,199,022 : 18,981,139 = 18,981,139 : x
2. Step 2: Convert to fraction form
   8,199,022/18,981,139 = 18,981,139/x
3. Step 3: Cross multiply
   8,199,022x = 18,981,139 × 18,981,139
4. Step 4: Simplify right side
   8,199,022x = 360,283,637,737,321
5. Step 5: Solve for x
   x = 360,283,637,737,321/8,199,022
6. Step 6: Final answer
   x = 43,942,269.91