Finding the Third Proportional to 81,557.50 and 179,153

Step by Step Solution

1. Step 1: Write the proportion equation
   81,557.50 : 179,153 = 179,153 : x
2. Step 2: Convert to fraction form
   81,557.50/179,153 = 179,153/x
3. Step 3: Cross multiply
   81,557.50x = 179,153 × 179,153
4. Step 4: Simplify right side
   81,557.50x = 32,095,797,409
5. Step 5: Solve for x
   x = 32,095,797,409/81,557.50
6. Step 6: Final answer
   x = 393,535.82