Finding the Third Proportional to 18,147 and 38,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,147 : 38,755.50 = 38,755.50 : x
2. Step 2: Convert to fraction form
   18,147/38,755.50 = 38,755.50/x
3. Step 3: Cross multiply
   18,147x = 38,755.50 × 38,755.50
4. Step 4: Simplify right side
   18,147x = 1,501,988,780.25
5. Step 5: Solve for x
   x = 1,501,988,780.25/18,147
6. Step 6: Final answer
   x = 82,767.88