Finding the Third Proportional to 99,555.75 and 166,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,555.75 : 166,100.25 = 166,100.25 : x
2. Step 2: Convert to fraction form
   99,555.75/166,100.25 = 166,100.25/x
3. Step 3: Cross multiply
   99,555.75x = 166,100.25 × 166,100.25
4. Step 4: Simplify right side
   99,555.75x = 27,589,293,050.06
5. Step 5: Solve for x
   x = 27,589,293,050.06/99,555.75
6. Step 6: Final answer
   x = 277,124.05