Finding the Third Proportional to 17,128.13 and 26,875.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,128.13 : 26,875.69 = 26,875.69 : x
2. Step 2: Convert to fraction form
   17,128.13/26,875.69 = 26,875.69/x
3. Step 3: Cross multiply
   17,128.13x = 26,875.69 × 26,875.69
4. Step 4: Simplify right side
   17,128.13x = 722,302,578.60
5. Step 5: Solve for x
   x = 722,302,578.60/17,128.13
6. Step 6: Final answer
   x = 42,170.56