Finding the Third Proportional to 67,857.75 and 89,232.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,857.75 : 89,232.75 = 89,232.75 : x
2. Step 2: Convert to fraction form
   67,857.75/89,232.75 = 89,232.75/x
3. Step 3: Cross multiply
   67,857.75x = 89,232.75 × 89,232.75
4. Step 4: Simplify right side
   67,857.75x = 7,962,483,672.56
5. Step 5: Solve for x
   x = 7,962,483,672.56/67,857.75
6. Step 6: Final answer
   x = 117,340.81