Finding the Third Proportional to 11,058,678 and 17,309,727

Step by Step Solution

1. Step 1: Write the proportion equation
   11,058,678 : 17,309,727 = 17,309,727 : x
2. Step 2: Convert to fraction form
   11,058,678/17,309,727 = 17,309,727/x
3. Step 3: Cross multiply
   11,058,678x = 17,309,727 × 17,309,727
4. Step 4: Simplify right side
   11,058,678x = 299,626,648,814,529
5. Step 5: Solve for x
   x = 299,626,648,814,529/11,058,678
6. Step 6: Final answer
   x = 27,094,255.64