Finding the Third Proportional to 9,713 and 21,058

Step by Step Solution

1. Step 1: Write the proportion equation
   9,713 : 21,058 = 21,058 : x
2. Step 2: Convert to fraction form
   9,713/21,058 = 21,058/x
3. Step 3: Cross multiply
   9,713x = 21,058 × 21,058
4. Step 4: Simplify right side
   9,713x = 443,439,364
5. Step 5: Solve for x
   x = 443,439,364/9,713
6. Step 6: Final answer
   x = 45,654.21