Finding the Third Proportional to 67,864.50 and 89,244

Step by Step Solution

1. Step 1: Write the proportion equation
   67,864.50 : 89,244 = 89,244 : x
2. Step 2: Convert to fraction form
   67,864.50/89,244 = 89,244/x
3. Step 3: Cross multiply
   67,864.50x = 89,244 × 89,244
4. Step 4: Simplify right side
   67,864.50x = 7,964,491,536
5. Step 5: Solve for x
   x = 7,964,491,536/67,864.50
6. Step 6: Final answer
   x = 117,358.73