Finding the Third Proportional to 8,367,996 and 12,930,681

Step by Step Solution

1. Step 1: Write the proportion equation
   8,367,996 : 12,930,681 = 12,930,681 : x
2. Step 2: Convert to fraction form
   8,367,996/12,930,681 = 12,930,681/x
3. Step 3: Cross multiply
   8,367,996x = 12,930,681 × 12,930,681
4. Step 4: Simplify right side
   8,367,996x = 167,202,511,123,761
5. Step 5: Solve for x
   x = 167,202,511,123,761/8,367,996
6. Step 6: Final answer
   x = 19,981,189.18