Finding the Third Proportional to 27,258.75 and 39,990.38

Step by Step Solution

1. Step 1: Write the proportion equation
   27,258.75 : 39,990.38 = 39,990.38 : x
2. Step 2: Convert to fraction form
   27,258.75/39,990.38 = 39,990.38/x
3. Step 3: Cross multiply
   27,258.75x = 39,990.38 × 39,990.38
4. Step 4: Simplify right side
   27,258.75x = 1,599,230,092.64
5. Step 5: Solve for x
   x = 1,599,230,092.64/27,258.75
6. Step 6: Final answer
   x = 58,668.50