Finding the Third Proportional to 11,475.11 and 17,145.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,475.11 : 17,145.74 = 17,145.74 : x
2. Step 2: Convert to fraction form
   11,475.11/17,145.74 = 17,145.74/x
3. Step 3: Cross multiply
   11,475.11x = 17,145.74 × 17,145.74
4. Step 4: Simplify right side
   11,475.11x = 293,976,341.21
5. Step 5: Solve for x
   x = 293,976,341.21/11,475.11
6. Step 6: Final answer
   x = 25,618.62