Finding the Third Proportional to 13,857.25 and 30,397.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,857.25 : 30,397.07 = 30,397.07 : x
2. Step 2: Convert to fraction form
   13,857.25/30,397.07 = 30,397.07/x
3. Step 3: Cross multiply
   13,857.25x = 30,397.07 × 30,397.07
4. Step 4: Simplify right side
   13,857.25x = 923,981,824.21
5. Step 5: Solve for x
   x = 923,981,824.21/13,857.25
6. Step 6: Final answer
   x = 66,678.59