Finding the Third Proportional to 111,521.81 and 179,566.88

Step by Step Solution

1. Step 1: Write the proportion equation
   111,521.81 : 179,566.88 = 179,566.88 : x
2. Step 2: Convert to fraction form
   111,521.81/179,566.88 = 179,566.88/x
3. Step 3: Cross multiply
   111,521.81x = 179,566.88 × 179,566.88
4. Step 4: Simplify right side
   111,521.81x = 32,244,262,597.27
5. Step 5: Solve for x
   x = 32,244,262,597.27/111,521.81
6. Step 6: Final answer
   x = 289,129.65