Finding the Third Proportional to 8,472 and 17,308

Step by Step Solution

1. Step 1: Write the proportion equation
   8,472 : 17,308 = 17,308 : x
2. Step 2: Convert to fraction form
   8,472/17,308 = 17,308/x
3. Step 3: Cross multiply
   8,472x = 17,308 × 17,308
4. Step 4: Simplify right side
   8,472x = 299,566,864
5. Step 5: Solve for x
   x = 299,566,864/8,472
6. Step 6: Final answer
   x = 35,359.64