Finding the Third Proportional to 21,867 and 52,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,867 : 52,357.50 = 52,357.50 : x
2. Step 2: Convert to fraction form
   21,867/52,357.50 = 52,357.50/x
3. Step 3: Cross multiply
   21,867x = 52,357.50 × 52,357.50
4. Step 4: Simplify right side
   21,867x = 2,741,307,806.25
5. Step 5: Solve for x
   x = 2,741,307,806.25/21,867
6. Step 6: Final answer
   x = 125,362.78