Finding the Third Proportional to 49,870.50 and 109,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,870.50 : 109,279.50 = 109,279.50 : x
2. Step 2: Convert to fraction form
   49,870.50/109,279.50 = 109,279.50/x
3. Step 3: Cross multiply
   49,870.50x = 109,279.50 × 109,279.50
4. Step 4: Simplify right side
   49,870.50x = 11,942,009,120.25
5. Step 5: Solve for x
   x = 11,942,009,120.25/49,870.50
6. Step 6: Final answer
   x = 239,460.38