Finding the Third Proportional to 27,709.59 and 57,389.77

Step by Step Solution

1. Step 1: Write the proportion equation
   27,709.59 : 57,389.77 = 57,389.77 : x
2. Step 2: Convert to fraction form
   27,709.59/57,389.77 = 57,389.77/x
3. Step 3: Cross multiply
   27,709.59x = 57,389.77 × 57,389.77
4. Step 4: Simplify right side
   27,709.59x = 3,293,585,198.49
5. Step 5: Solve for x
   x = 3,293,585,198.49/27,709.59
6. Step 6: Final answer
   x = 118,860.83