Finding the Third Proportional to 18,305.06 and 39,966.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,305.06 : 39,966.56 = 39,966.56 : x
2. Step 2: Convert to fraction form
   18,305.06/39,966.56 = 39,966.56/x
3. Step 3: Cross multiply
   18,305.06x = 39,966.56 × 39,966.56
4. Step 4: Simplify right side
   18,305.06x = 1,597,326,118.07
5. Step 5: Solve for x
   x = 1,597,326,118.07/18,305.06
6. Step 6: Final answer
   x = 87,261.44