Finding the Third Proportional to 51,309.07 and 76,758.57

Step by Step Solution

1. Step 1: Write the proportion equation
   51,309.07 : 76,758.57 = 76,758.57 : x
2. Step 2: Convert to fraction form
   51,309.07/76,758.57 = 76,758.57/x
3. Step 3: Cross multiply
   51,309.07x = 76,758.57 × 76,758.57
4. Step 4: Simplify right side
   51,309.07x = 5,891,878,716.10
5. Step 5: Solve for x
   x = 5,891,878,716.10/51,309.07
6. Step 6: Final answer
   x = 114,831.13