Finding the Third Proportional to 50,209.50 and 109,170

Step by Step Solution

1. Step 1: Write the proportion equation
   50,209.50 : 109,170 = 109,170 : x
2. Step 2: Convert to fraction form
   50,209.50/109,170 = 109,170/x
3. Step 3: Cross multiply
   50,209.50x = 109,170 × 109,170
4. Step 4: Simplify right side
   50,209.50x = 11,918,088,900
5. Step 5: Solve for x
   x = 11,918,088,900/50,209.50
6. Step 6: Final answer
   x = 237,367.21