Finding the Third Proportional to 9,223.50 and 19,905

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223.50 : 19,905 = 19,905 : x
2. Step 2: Convert to fraction form
   9,223.50/19,905 = 19,905/x
3. Step 3: Cross multiply
   9,223.50x = 19,905 × 19,905
4. Step 4: Simplify right side
   9,223.50x = 396,209,025
5. Step 5: Solve for x
   x = 396,209,025/9,223.50
6. Step 6: Final answer
   x = 42,956.47