Finding the Third Proportional to 17,288 and 26,090

Step by Step Solution

1. Step 1: Write the proportion equation
   17,288 : 26,090 = 26,090 : x
2. Step 2: Convert to fraction form
   17,288/26,090 = 26,090/x
3. Step 3: Cross multiply
   17,288x = 26,090 × 26,090
4. Step 4: Simplify right side
   17,288x = 680,688,100
5. Step 5: Solve for x
   x = 680,688,100/17,288
6. Step 6: Final answer
   x = 39,373.44