Finding the Third Proportional to 16,171.88 and 21,731.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,171.88 : 21,731.63 = 21,731.63 : x
2. Step 2: Convert to fraction form
   16,171.88/21,731.63 = 21,731.63/x
3. Step 3: Cross multiply
   16,171.88x = 21,731.63 × 21,731.63
4. Step 4: Simplify right side
   16,171.88x = 472,263,525.14
5. Step 5: Solve for x
   x = 472,263,525.14/16,171.88
6. Step 6: Final answer
   x = 29,202.77