Finding the Third Proportional to 10,103.50 and 21,815

Step by Step Solution

1. Step 1: Write the proportion equation
   10,103.50 : 21,815 = 21,815 : x
2. Step 2: Convert to fraction form
   10,103.50/21,815 = 21,815/x
3. Step 3: Cross multiply
   10,103.50x = 21,815 × 21,815
4. Step 4: Simplify right side
   10,103.50x = 475,894,225
5. Step 5: Solve for x
   x = 475,894,225/10,103.50
6. Step 6: Final answer
   x = 47,101.92