Finding the Third Proportional to 9,131.50 and 12,374

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.50 : 12,374 = 12,374 : x
2. Step 2: Convert to fraction form
   9,131.50/12,374 = 12,374/x
3. Step 3: Cross multiply
   9,131.50x = 12,374 × 12,374
4. Step 4: Simplify right side
   9,131.50x = 153,115,876
5. Step 5: Solve for x
   x = 153,115,876/9,131.50
6. Step 6: Final answer
   x = 16,767.88