Finding the Third Proportional to 49,939.50 and 107,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,939.50 : 107,290.50 = 107,290.50 : x
2. Step 2: Convert to fraction form
   49,939.50/107,290.50 = 107,290.50/x
3. Step 3: Cross multiply
   49,939.50x = 107,290.50 × 107,290.50
4. Step 4: Simplify right side
   49,939.50x = 11,511,251,390.25
5. Step 5: Solve for x
   x = 11,511,251,390.25/49,939.50
6. Step 6: Final answer
   x = 230,503.94