Finding the Third Proportional to 118,915.50 and 174,106.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,915.50 : 174,106.50 = 174,106.50 : x
2. Step 2: Convert to fraction form
   118,915.50/174,106.50 = 174,106.50/x
3. Step 3: Cross multiply
   118,915.50x = 174,106.50 × 174,106.50
4. Step 4: Simplify right side
   118,915.50x = 30,313,073,342.25
5. Step 5: Solve for x
   x = 30,313,073,342.25/118,915.50
6. Step 6: Final answer
   x = 254,912.72