Finding the Third Proportional to 11,057,928 and 17,308,778

Step by Step Solution

1. Step 1: Write the proportion equation
   11,057,928 : 17,308,778 = 17,308,778 : x
2. Step 2: Convert to fraction form
   11,057,928/17,308,778 = 17,308,778/x
3. Step 3: Cross multiply
   11,057,928x = 17,308,778 × 17,308,778
4. Step 4: Simplify right side
   11,057,928x = 299,593,795,853,284
5. Step 5: Solve for x
   x = 299,593,795,853,284/11,057,928
6. Step 6: Final answer
   x = 27,093,122.31