Finding the Third Proportional to 8,123,694 and 17,647,870

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123,694 : 17,647,870 = 17,647,870 : x
2. Step 2: Convert to fraction form
   8,123,694/17,647,870 = 17,647,870/x
3. Step 3: Cross multiply
   8,123,694x = 17,647,870 × 17,647,870
4. Step 4: Simplify right side
   8,123,694x = 311,447,315,536,900
5. Step 5: Solve for x
   x = 311,447,315,536,900/8,123,694
6. Step 6: Final answer
   x = 38,338,139.71