Finding the Third Proportional to 10,458.49 and 14,908.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,458.49 : 14,908.43 = 14,908.43 : x
2. Step 2: Convert to fraction form
   10,458.49/14,908.43 = 14,908.43/x
3. Step 3: Cross multiply
   10,458.49x = 14,908.43 × 14,908.43
4. Step 4: Simplify right side
   10,458.49x = 222,261,275.75
5. Step 5: Solve for x
   x = 222,261,275.75/10,458.49
6. Step 6: Final answer
   x = 21,251.75