Finding the Third Proportional to 12,403.88 and 18,608.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,403.88 : 18,608.06 = 18,608.06 : x
2. Step 2: Convert to fraction form
   12,403.88/18,608.06 = 18,608.06/x
3. Step 3: Cross multiply
   12,403.88x = 18,608.06 × 18,608.06
4. Step 4: Simplify right side
   12,403.88x = 346,259,990.00
5. Step 5: Solve for x
   x = 346,259,990.00/12,403.88
6. Step 6: Final answer
   x = 27,915.47