Finding the Third Proportional to 49,870 and 109,100

Step by Step Solution

1. Step 1: Write the proportion equation
   49,870 : 109,100 = 109,100 : x
2. Step 2: Convert to fraction form
   49,870/109,100 = 109,100/x
3. Step 3: Cross multiply
   49,870x = 109,100 × 109,100
4. Step 4: Simplify right side
   49,870x = 11,902,810,000
5. Step 5: Solve for x
   x = 11,902,810,000/49,870
6. Step 6: Final answer
   x = 238,676.76