Finding the Third Proportional to 13,954.94 and 21,058.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,954.94 : 21,058.42 = 21,058.42 : x
2. Step 2: Convert to fraction form
   13,954.94/21,058.42 = 21,058.42/x
3. Step 3: Cross multiply
   13,954.94x = 21,058.42 × 21,058.42
4. Step 4: Simplify right side
   13,954.94x = 443,456,967.35
5. Step 5: Solve for x
   x = 443,456,967.35/13,954.94
6. Step 6: Final answer
   x = 31,777.78