Finding the Third Proportional to 2,607.82 and 5,387.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.82 : 5,387.77 = 5,387.77 : x
2. Step 2: Convert to fraction form
   2,607.82/5,387.77 = 5,387.77/x
3. Step 3: Cross multiply
   2,607.82x = 5,387.77 × 5,387.77
4. Step 4: Simplify right side
   2,607.82x = 29,028,018.43
5. Step 5: Solve for x
   x = 29,028,018.43/2,607.82
6. Step 6: Final answer
   x = 11,131.14