Finding the Third Proportional to 108,058.69 and 173,620.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,058.69 : 173,620.88 = 173,620.88 : x
2. Step 2: Convert to fraction form
   108,058.69/173,620.88 = 173,620.88/x
3. Step 3: Cross multiply
   108,058.69x = 173,620.88 × 173,620.88
4. Step 4: Simplify right side
   108,058.69x = 30,144,208,235.77
5. Step 5: Solve for x
   x = 30,144,208,235.77/108,058.69
6. Step 6: Final answer
   x = 278,961.45