Finding the Third Proportional to 118,322 and 174,009

Step by Step Solution

1. Step 1: Write the proportion equation
   118,322 : 174,009 = 174,009 : x
2. Step 2: Convert to fraction form
   118,322/174,009 = 174,009/x
3. Step 3: Cross multiply
   118,322x = 174,009 × 174,009
4. Step 4: Simplify right side
   118,322x = 30,279,132,081
5. Step 5: Solve for x
   x = 30,279,132,081/118,322
6. Step 6: Final answer
   x = 255,904.50