Finding the Third Proportional to 10,540.13 and 21,930.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,540.13 : 21,930.75 = 21,930.75 : x
2. Step 2: Convert to fraction form
   10,540.13/21,930.75 = 21,930.75/x
3. Step 3: Cross multiply
   10,540.13x = 21,930.75 × 21,930.75
4. Step 4: Simplify right side
   10,540.13x = 480,957,795.56
5. Step 5: Solve for x
   x = 480,957,795.56/10,540.13
6. Step 6: Final answer
   x = 45,631.13