Finding the Third Proportional to 141,715.25 and 311,075

Step by Step Solution

1. Step 1: Write the proportion equation
   141,715.25 : 311,075 = 311,075 : x
2. Step 2: Convert to fraction form
   141,715.25/311,075 = 311,075/x
3. Step 3: Cross multiply
   141,715.25x = 311,075 × 311,075
4. Step 4: Simplify right side
   141,715.25x = 96,767,655,625
5. Step 5: Solve for x
   x = 96,767,655,625/141,715.25
6. Step 6: Final answer
   x = 682,831.63