Finding the Third Proportional to 10,443 and 15,300

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443 : 15,300 = 15,300 : x
2. Step 2: Convert to fraction form
   10,443/15,300 = 15,300/x
3. Step 3: Cross multiply
   10,443x = 15,300 × 15,300
4. Step 4: Simplify right side
   10,443x = 234,090,000
5. Step 5: Solve for x
   x = 234,090,000/10,443
6. Step 6: Final answer
   x = 22,415.97