Finding the Third Proportional to 10,431 and 21,553.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,431 : 21,553.88 = 21,553.88 : x
2. Step 2: Convert to fraction form
   10,431/21,553.88 = 21,553.88/x
3. Step 3: Cross multiply
   10,431x = 21,553.88 × 21,553.88
4. Step 4: Simplify right side
   10,431x = 464,569,527.52
5. Step 5: Solve for x
   x = 464,569,527.52/10,431
6. Step 6: Final answer
   x = 44,537.39