Finding the Third Proportional to 79,714.78 and 174,979.59

Step by Step Solution

1. Step 1: Write the proportion equation
   79,714.78 : 174,979.59 = 174,979.59 : x
2. Step 2: Convert to fraction form
   79,714.78/174,979.59 = 174,979.59/x
3. Step 3: Cross multiply
   79,714.78x = 174,979.59 × 174,979.59
4. Step 4: Simplify right side
   79,714.78x = 30,617,858,228.92
5. Step 5: Solve for x
   x = 30,617,858,228.92/79,714.78
6. Step 6: Final answer
   x = 384,092.61