Finding the Third Proportional to 9,203 and 12,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,203 : 12,371.50 = 12,371.50 : x
2. Step 2: Convert to fraction form
   9,203/12,371.50 = 12,371.50/x
3. Step 3: Cross multiply
   9,203x = 12,371.50 × 12,371.50
4. Step 4: Simplify right side
   9,203x = 153,054,012.25
5. Step 5: Solve for x
   x = 153,054,012.25/9,203
6. Step 6: Final answer
   x = 16,630.88