Finding the Third Proportional to 21,401.63 and 23,254.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401.63 : 23,254.50 = 23,254.50 : x
2. Step 2: Convert to fraction form
   21,401.63/23,254.50 = 23,254.50/x
3. Step 3: Cross multiply
   21,401.63x = 23,254.50 × 23,254.50
4. Step 4: Simplify right side
   21,401.63x = 540,771,770.25
5. Step 5: Solve for x
   x = 540,771,770.25/21,401.63
6. Step 6: Final answer
   x = 25,267.79