Finding the Third Proportional to 10,390 and 14,946

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390 : 14,946 = 14,946 : x
2. Step 2: Convert to fraction form
   10,390/14,946 = 14,946/x
3. Step 3: Cross multiply
   10,390x = 14,946 × 14,946
4. Step 4: Simplify right side
   10,390x = 223,382,916
5. Step 5: Solve for x
   x = 223,382,916/10,390
6. Step 6: Final answer
   x = 21,499.80