Finding the Third Proportional to 81,556.50 and 179,151

Step by Step Solution

1. Step 1: Write the proportion equation
   81,556.50 : 179,151 = 179,151 : x
2. Step 2: Convert to fraction form
   81,556.50/179,151 = 179,151/x
3. Step 3: Cross multiply
   81,556.50x = 179,151 × 179,151
4. Step 4: Simplify right side
   81,556.50x = 32,095,080,801
5. Step 5: Solve for x
   x = 32,095,080,801/81,556.50
6. Step 6: Final answer
   x = 393,531.86