Finding the Third Proportional to 21,753.56 and 21,753.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,753.56 : 21,753.56 = 21,753.56 : x
2. Step 2: Convert to fraction form
   21,753.56/21,753.56 = 21,753.56/x
3. Step 3: Cross multiply
   21,753.56x = 21,753.56 × 21,753.56
4. Step 4: Simplify right side
   21,753.56x = 473,217,481.44
5. Step 5: Solve for x
   x = 473,217,481.44/21,753.56
6. Step 6: Final answer
   x = 21,753.56