Finding the Third Proportional to 10,360 and 14,780

Step by Step Solution

1. Step 1: Write the proportion equation
   10,360 : 14,780 = 14,780 : x
2. Step 2: Convert to fraction form
   10,360/14,780 = 14,780/x
3. Step 3: Cross multiply
   10,360x = 14,780 × 14,780
4. Step 4: Simplify right side
   10,360x = 218,448,400
5. Step 5: Solve for x
   x = 218,448,400/10,360
6. Step 6: Final answer
   x = 21,085.75