Finding the Third Proportional to 117,170 and 174,988

Step by Step Solution

1. Step 1: Write the proportion equation
   117,170 : 174,988 = 174,988 : x
2. Step 2: Convert to fraction form
   117,170/174,988 = 174,988/x
3. Step 3: Cross multiply
   117,170x = 174,988 × 174,988
4. Step 4: Simplify right side
   117,170x = 30,620,800,144
5. Step 5: Solve for x
   x = 30,620,800,144/117,170
6. Step 6: Final answer
   x = 261,336.52