Finding the Third Proportional to 39,676.50 and 84,891.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,676.50 : 84,891.38 = 84,891.38 : x
2. Step 2: Convert to fraction form
   39,676.50/84,891.38 = 84,891.38/x
3. Step 3: Cross multiply
   39,676.50x = 84,891.38 × 84,891.38
4. Step 4: Simplify right side
   39,676.50x = 7,206,545,549.39
5. Step 5: Solve for x
   x = 7,206,545,549.39/39,676.50
6. Step 6: Final answer
   x = 181,632.59