Finding the Third Proportional to 119,915.25 and 173,243.25

Step by Step Solution

1. Step 1: Write the proportion equation
   119,915.25 : 173,243.25 = 173,243.25 : x
2. Step 2: Convert to fraction form
   119,915.25/173,243.25 = 173,243.25/x
3. Step 3: Cross multiply
   119,915.25x = 173,243.25 × 173,243.25
4. Step 4: Simplify right side
   119,915.25x = 30,013,223,670.56
5. Step 5: Solve for x
   x = 30,013,223,670.56/119,915.25
6. Step 6: Final answer
   x = 250,286.96