Finding the Third Proportional to 9,308,940 and 19,744,728

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308,940 : 19,744,728 = 19,744,728 : x
2. Step 2: Convert to fraction form
   9,308,940/19,744,728 = 19,744,728/x
3. Step 3: Cross multiply
   9,308,940x = 19,744,728 × 19,744,728
4. Step 4: Simplify right side
   9,308,940x = 389,854,283,793,984
5. Step 5: Solve for x
   x = 389,854,283,793,984/9,308,940
6. Step 6: Final answer
   x = 41,879,557.05