Finding the Third Proportional to 4,237.31 and 9,401.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,237.31 : 9,401.06 = 9,401.06 : x
2. Step 2: Convert to fraction form
   4,237.31/9,401.06 = 9,401.06/x
3. Step 3: Cross multiply
   4,237.31x = 9,401.06 × 9,401.06
4. Step 4: Simplify right side
   4,237.31x = 88,379,976.13
5. Step 5: Solve for x
   x = 88,379,976.13/4,237.31
6. Step 6: Final answer
   x = 20,857.55