Finding the Third Proportional to 16,859.25 and 35,453.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,859.25 : 35,453.25 = 35,453.25 : x
2. Step 2: Convert to fraction form
   16,859.25/35,453.25 = 35,453.25/x
3. Step 3: Cross multiply
   16,859.25x = 35,453.25 × 35,453.25
4. Step 4: Simplify right side
   16,859.25x = 1,256,932,935.56
5. Step 5: Solve for x
   x = 1,256,932,935.56/16,859.25
6. Step 6: Final answer
   x = 74,554.50