Finding the Third Proportional to 18,922.50 and 27,208.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,922.50 : 27,208.13 = 27,208.13 : x
2. Step 2: Convert to fraction form
   18,922.50/27,208.13 = 27,208.13/x
3. Step 3: Cross multiply
   18,922.50x = 27,208.13 × 27,208.13
4. Step 4: Simplify right side
   18,922.50x = 740,282,066.02
5. Step 5: Solve for x
   x = 740,282,066.02/18,922.50
6. Step 6: Final answer
   x = 39,121.79