Finding the Third Proportional to 4,843 and 10,267.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,843 : 10,267.50 = 10,267.50 : x
2. Step 2: Convert to fraction form
   4,843/10,267.50 = 10,267.50/x
3. Step 3: Cross multiply
   4,843x = 10,267.50 × 10,267.50
4. Step 4: Simplify right side
   4,843x = 105,421,556.25
5. Step 5: Solve for x
   x = 105,421,556.25/4,843
6. Step 6: Final answer
   x = 21,767.82