Finding the Third Proportional to 9,170,508 and 19,933,128

Step by Step Solution

1. Step 1: Write the proportion equation
   9,170,508 : 19,933,128 = 19,933,128 : x
2. Step 2: Convert to fraction form
   9,170,508/19,933,128 = 19,933,128/x
3. Step 3: Cross multiply
   9,170,508x = 19,933,128 × 19,933,128
4. Step 4: Simplify right side
   9,170,508x = 397,329,591,864,384
5. Step 5: Solve for x
   x = 397,329,591,864,384/9,170,508
6. Step 6: Final answer
   x = 43,326,890.05