Finding the Third Proportional to 19,854 and 41,340.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,854 : 41,340.38 = 41,340.38 : x
2. Step 2: Convert to fraction form
   19,854/41,340.38 = 41,340.38/x
3. Step 3: Cross multiply
   19,854x = 41,340.38 × 41,340.38
4. Step 4: Simplify right side
   19,854x = 1,709,026,605.14
5. Step 5: Solve for x
   x = 1,709,026,605.14/19,854
6. Step 6: Final answer
   x = 86,079.71