Finding the Third Proportional to 18,261.38 and 39,296.63

Step by Step Solution

1. Step 1: Write the proportion equation
   18,261.38 : 39,296.63 = 39,296.63 : x
2. Step 2: Convert to fraction form
   18,261.38/39,296.63 = 39,296.63/x
3. Step 3: Cross multiply
   18,261.38x = 39,296.63 × 39,296.63
4. Step 4: Simplify right side
   18,261.38x = 1,544,224,736.39
5. Step 5: Solve for x
   x = 1,544,224,736.39/18,261.38
6. Step 6: Final answer
   x = 84,562.35