Finding the Third Proportional to 13,974 and 21,058

Step by Step Solution

1. Step 1: Write the proportion equation
   13,974 : 21,058 = 21,058 : x
2. Step 2: Convert to fraction form
   13,974/21,058 = 21,058/x
3. Step 3: Cross multiply
   13,974x = 21,058 × 21,058
4. Step 4: Simplify right side
   13,974x = 443,439,364
5. Step 5: Solve for x
   x = 443,439,364/13,974
6. Step 6: Final answer
   x = 31,733.17