Finding the Third Proportional to 18,854.02 and 39,012.89

Step by Step Solution

1. Step 1: Write the proportion equation
   18,854.02 : 39,012.89 = 39,012.89 : x
2. Step 2: Convert to fraction form
   18,854.02/39,012.89 = 39,012.89/x
3. Step 3: Cross multiply
   18,854.02x = 39,012.89 × 39,012.89
4. Step 4: Simplify right side
   18,854.02x = 1,522,005,634.92
5. Step 5: Solve for x
   x = 1,522,005,634.92/18,854.02
6. Step 6: Final answer
   x = 80,725.81