Finding the Third Proportional to 17,126.25 and 26,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,126.25 : 26,872.50 = 26,872.50 : x
2. Step 2: Convert to fraction form
   17,126.25/26,872.50 = 26,872.50/x
3. Step 3: Cross multiply
   17,126.25x = 26,872.50 × 26,872.50
4. Step 4: Simplify right side
   17,126.25x = 722,131,256.25
5. Step 5: Solve for x
   x = 722,131,256.25/17,126.25
6. Step 6: Final answer
   x = 42,165.17