Finding the Third Proportional to 10,354.50 and 14,058.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,354.50 : 14,058.56 = 14,058.56 : x
2. Step 2: Convert to fraction form
   10,354.50/14,058.56 = 14,058.56/x
3. Step 3: Cross multiply
   10,354.50x = 14,058.56 × 14,058.56
4. Step 4: Simplify right side
   10,354.50x = 197,643,179.57
5. Step 5: Solve for x
   x = 197,643,179.57/10,354.50
6. Step 6: Final answer
   x = 19,087.66