Finding the Third Proportional to 18,251.58 and 39,130.59

Step by Step Solution

1. Step 1: Write the proportion equation
   18,251.58 : 39,130.59 = 39,130.59 : x
2. Step 2: Convert to fraction form
   18,251.58/39,130.59 = 39,130.59/x
3. Step 3: Cross multiply
   18,251.58x = 39,130.59 × 39,130.59
4. Step 4: Simplify right side
   18,251.58x = 1,531,203,367.23
5. Step 5: Solve for x
   x = 1,531,203,367.23/18,251.58
6. Step 6: Final answer
   x = 83,894.30