Finding the Third Proportional to 17,480 and 26,290

Step by Step Solution

1. Step 1: Write the proportion equation
   17,480 : 26,290 = 26,290 : x
2. Step 2: Convert to fraction form
   17,480/26,290 = 26,290/x
3. Step 3: Cross multiply
   17,480x = 26,290 × 26,290
4. Step 4: Simplify right side
   17,480x = 691,164,100
5. Step 5: Solve for x
   x = 691,164,100/17,480
6. Step 6: Final answer
   x = 39,540.28