Finding the Third Proportional to 117,208 and 175,039

Step by Step Solution

1. Step 1: Write the proportion equation
   117,208 : 175,039 = 175,039 : x
2. Step 2: Convert to fraction form
   117,208/175,039 = 175,039/x
3. Step 3: Cross multiply
   117,208x = 175,039 × 175,039
4. Step 4: Simplify right side
   117,208x = 30,638,651,521
5. Step 5: Solve for x
   x = 30,638,651,521/117,208
6. Step 6: Final answer
   x = 261,404.10