Finding the Third Proportional to 50,211 and 109,172

Step by Step Solution

1. Step 1: Write the proportion equation
   50,211 : 109,172 = 109,172 : x
2. Step 2: Convert to fraction form
   50,211/109,172 = 109,172/x
3. Step 3: Cross multiply
   50,211x = 109,172 × 109,172
4. Step 4: Simplify right side
   50,211x = 11,918,525,584
5. Step 5: Solve for x
   x = 11,918,525,584/50,211
6. Step 6: Final answer
   x = 237,368.82