Finding the Third Proportional to 18,463.78 and 27,689.34

Step by Step Solution

1. Step 1: Write the proportion equation
   18,463.78 : 27,689.34 = 27,689.34 : x
2. Step 2: Convert to fraction form
   18,463.78/27,689.34 = 27,689.34/x
3. Step 3: Cross multiply
   18,463.78x = 27,689.34 × 27,689.34
4. Step 4: Simplify right side
   18,463.78x = 766,699,757.31
5. Step 5: Solve for x
   x = 766,699,757.31/18,463.78
6. Step 6: Final answer
   x = 41,524.53