Finding the Third Proportional to 9,420 and 14,910

Step by Step Solution

1. Step 1: Write the proportion equation
   9,420 : 14,910 = 14,910 : x
2. Step 2: Convert to fraction form
   9,420/14,910 = 14,910/x
3. Step 3: Cross multiply
   9,420x = 14,910 × 14,910
4. Step 4: Simplify right side
   9,420x = 222,308,100
5. Step 5: Solve for x
   x = 222,308,100/9,420
6. Step 6: Final answer
   x = 23,599.59