Finding the Third Proportional to 18,490.78 and 30,042.14

Step by Step Solution

1. Step 1: Write the proportion equation
   18,490.78 : 30,042.14 = 30,042.14 : x
2. Step 2: Convert to fraction form
   18,490.78/30,042.14 = 30,042.14/x
3. Step 3: Cross multiply
   18,490.78x = 30,042.14 × 30,042.14
4. Step 4: Simplify right side
   18,490.78x = 902,530,213.33
5. Step 5: Solve for x
   x = 902,530,213.33/18,490.78
6. Step 6: Final answer
   x = 48,809.74