Finding the Third Proportional to 8,478 and 17,554.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,478 : 17,554.50 = 17,554.50 : x
2. Step 2: Convert to fraction form
   8,478/17,554.50 = 17,554.50/x
3. Step 3: Cross multiply
   8,478x = 17,554.50 × 17,554.50
4. Step 4: Simplify right side
   8,478x = 308,160,470.25
5. Step 5: Solve for x
   x = 308,160,470.25/8,478
6. Step 6: Final answer
   x = 36,348.25