Finding the Third Proportional to 9,215 and 12,364

Step by Step Solution

1. Step 1: Write the proportion equation
   9,215 : 12,364 = 12,364 : x
2. Step 2: Convert to fraction form
   9,215/12,364 = 12,364/x
3. Step 3: Cross multiply
   9,215x = 12,364 × 12,364
4. Step 4: Simplify right side
   9,215x = 152,868,496
5. Step 5: Solve for x
   x = 152,868,496/9,215
6. Step 6: Final answer
   x = 16,589.09