Finding the Third Proportional to 17,322 and 26,139

Step by Step Solution

1. Step 1: Write the proportion equation
   17,322 : 26,139 = 26,139 : x
2. Step 2: Convert to fraction form
   17,322/26,139 = 26,139/x
3. Step 3: Cross multiply
   17,322x = 26,139 × 26,139
4. Step 4: Simplify right side
   17,322x = 683,247,321
5. Step 5: Solve for x
   x = 683,247,321/17,322
6. Step 6: Final answer
   x = 39,443.90