Finding the Third Proportional to 12,300 and 16,930

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300 : 16,930 = 16,930 : x
2. Step 2: Convert to fraction form
   12,300/16,930 = 16,930/x
3. Step 3: Cross multiply
   12,300x = 16,930 × 16,930
4. Step 4: Simplify right side
   12,300x = 286,624,900
5. Step 5: Solve for x
   x = 286,624,900/12,300
6. Step 6: Final answer
   x = 23,302.84