Finding the Third Proportional to 9,043,568 and 19,657,872

Step by Step Solution

1. Step 1: Write the proportion equation
   9,043,568 : 19,657,872 = 19,657,872 : x
2. Step 2: Convert to fraction form
   9,043,568/19,657,872 = 19,657,872/x
3. Step 3: Cross multiply
   9,043,568x = 19,657,872 × 19,657,872
4. Step 4: Simplify right side
   9,043,568x = 386,431,931,568,384
5. Step 5: Solve for x
   x = 386,431,931,568,384/9,043,568
6. Step 6: Final answer
   x = 42,730,029.96