Finding the Third Proportional to 10,145.50 and 21,800

Step by Step Solution

1. Step 1: Write the proportion equation
   10,145.50 : 21,800 = 21,800 : x
2. Step 2: Convert to fraction form
   10,145.50/21,800 = 21,800/x
3. Step 3: Cross multiply
   10,145.50x = 21,800 × 21,800
4. Step 4: Simplify right side
   10,145.50x = 475,240,000
5. Step 5: Solve for x
   x = 475,240,000/10,145.50
6. Step 6: Final answer
   x = 46,842.44