Finding the Third Proportional to 18,539.25 and 39,994.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,539.25 : 39,994.13 = 39,994.13 : x
2. Step 2: Convert to fraction form
   18,539.25/39,994.13 = 39,994.13/x
3. Step 3: Cross multiply
   18,539.25x = 39,994.13 × 39,994.13
4. Step 4: Simplify right side
   18,539.25x = 1,599,530,034.52
5. Step 5: Solve for x
   x = 1,599,530,034.52/18,539.25
6. Step 6: Final answer
   x = 86,278.03