Finding the Third Proportional to 17,754.19 and 39,009.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,754.19 : 39,009.09 = 39,009.09 : x
2. Step 2: Convert to fraction form
   17,754.19/39,009.09 = 39,009.09/x
3. Step 3: Cross multiply
   17,754.19x = 39,009.09 × 39,009.09
4. Step 4: Simplify right side
   17,754.19x = 1,521,709,395.20
5. Step 5: Solve for x
   x = 1,521,709,395.20/17,754.19
6. Step 6: Final answer
   x = 85,709.89