Finding the Third Proportional to 8,474.63 and 17,188.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,474.63 : 17,188.45 = 17,188.45 : x
2. Step 2: Convert to fraction form
   8,474.63/17,188.45 = 17,188.45/x
3. Step 3: Cross multiply
   8,474.63x = 17,188.45 × 17,188.45
4. Step 4: Simplify right side
   8,474.63x = 295,442,920.83
5. Step 5: Solve for x
   x = 295,442,920.83/8,474.63
6. Step 6: Final answer
   x = 34,862.06