Finding the Third Proportional to 118,971 and 173,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,971 : 173,980.50 = 173,980.50 : x
2. Step 2: Convert to fraction form
   118,971/173,980.50 = 173,980.50/x
3. Step 3: Cross multiply
   118,971x = 173,980.50 × 173,980.50
4. Step 4: Simplify right side
   118,971x = 30,269,214,380.25
5. Step 5: Solve for x
   x = 30,269,214,380.25/118,971
6. Step 6: Final answer
   x = 254,425.15