Finding the Third Proportional to 11,058,157 and 17,309,561

Step by Step Solution

1. Step 1: Write the proportion equation
   11,058,157 : 17,309,561 = 17,309,561 : x
2. Step 2: Convert to fraction form
   11,058,157/17,309,561 = 17,309,561/x
3. Step 3: Cross multiply
   11,058,157x = 17,309,561 × 17,309,561
4. Step 4: Simplify right side
   11,058,157x = 299,620,902,012,721
5. Step 5: Solve for x
   x = 299,620,902,012,721/11,058,157
6. Step 6: Final answer
   x = 27,095,012.49