Finding the Third Proportional to 117,036 and 171,388

Step by Step Solution

1. Step 1: Write the proportion equation
   117,036 : 171,388 = 171,388 : x
2. Step 2: Convert to fraction form
   117,036/171,388 = 171,388/x
3. Step 3: Cross multiply
   117,036x = 171,388 × 171,388
4. Step 4: Simplify right side
   117,036x = 29,373,846,544
5. Step 5: Solve for x
   x = 29,373,846,544/117,036
6. Step 6: Final answer
   x = 250,981.29