Finding the Third Proportional to 17,139 and 26,835

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139 : 26,835 = 26,835 : x
2. Step 2: Convert to fraction form
   17,139/26,835 = 26,835/x
3. Step 3: Cross multiply
   17,139x = 26,835 × 26,835
4. Step 4: Simplify right side
   17,139x = 720,117,225
5. Step 5: Solve for x
   x = 720,117,225/17,139
6. Step 6: Final answer
   x = 42,016.29