Finding the Third Proportional to 18,308 and 30,300

Step by Step Solution

1. Step 1: Write the proportion equation
   18,308 : 30,300 = 30,300 : x
2. Step 2: Convert to fraction form
   18,308/30,300 = 30,300/x
3. Step 3: Cross multiply
   18,308x = 30,300 × 30,300
4. Step 4: Simplify right side
   18,308x = 918,090,000
5. Step 5: Solve for x
   x = 918,090,000/18,308
6. Step 6: Final answer
   x = 50,146.93