Finding the Third Proportional to 81,055.69 and 166,120.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,055.69 : 166,120.88 = 166,120.88 : x
2. Step 2: Convert to fraction form
   81,055.69/166,120.88 = 166,120.88/x
3. Step 3: Cross multiply
   81,055.69x = 166,120.88 × 166,120.88
4. Step 4: Simplify right side
   81,055.69x = 27,596,145,110.77
5. Step 5: Solve for x
   x = 27,596,145,110.77/81,055.69
6. Step 6: Final answer
   x = 340,459.08