Finding the Third Proportional to 17,386.31 and 26,411.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,386.31 : 26,411.06 = 26,411.06 : x
2. Step 2: Convert to fraction form
   17,386.31/26,411.06 = 26,411.06/x
3. Step 3: Cross multiply
   17,386.31x = 26,411.06 × 26,411.06
4. Step 4: Simplify right side
   17,386.31x = 697,544,222.38
5. Step 5: Solve for x
   x = 697,544,222.38/17,386.31
6. Step 6: Final answer
   x = 40,120.31