Finding the Third Proportional to 4,450.50 and 9,401.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,450.50 : 9,401.63 = 9,401.63 : x
2. Step 2: Convert to fraction form
   4,450.50/9,401.63 = 9,401.63/x
3. Step 3: Cross multiply
   4,450.50x = 9,401.63 × 9,401.63
4. Step 4: Simplify right side
   4,450.50x = 88,390,552.64
5. Step 5: Solve for x
   x = 88,390,552.64/4,450.50
6. Step 6: Final answer
   x = 19,860.81