Finding the Third Proportional to 18,300.50 and 30,289

Step by Step Solution

1. Step 1: Write the proportion equation
   18,300.50 : 30,289 = 30,289 : x
2. Step 2: Convert to fraction form
   18,300.50/30,289 = 30,289/x
3. Step 3: Cross multiply
   18,300.50x = 30,289 × 30,289
4. Step 4: Simplify right side
   18,300.50x = 917,423,521
5. Step 5: Solve for x
   x = 917,423,521/18,300.50
6. Step 6: Final answer
   x = 50,131.06