Finding the Third Proportional to 79,538.25 and 171,530.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,538.25 : 171,530.25 = 171,530.25 : x
2. Step 2: Convert to fraction form
   79,538.25/171,530.25 = 171,530.25/x
3. Step 3: Cross multiply
   79,538.25x = 171,530.25 × 171,530.25
4. Step 4: Simplify right side
   79,538.25x = 29,422,626,665.06
5. Step 5: Solve for x
   x = 29,422,626,665.06/79,538.25
6. Step 6: Final answer
   x = 369,917.95