Finding the Third Proportional to 8,123,694 and 17,647,872

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123,694 : 17,647,872 = 17,647,872 : x
2. Step 2: Convert to fraction form
   8,123,694/17,647,872 = 17,647,872/x
3. Step 3: Cross multiply
   8,123,694x = 17,647,872 × 17,647,872
4. Step 4: Simplify right side
   8,123,694x = 311,447,386,128,384
5. Step 5: Solve for x
   x = 311,447,386,128,384/8,123,694
6. Step 6: Final answer
   x = 38,338,148.40