Finding the Third Proportional to 17,754.19 and 38,781.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,754.19 : 38,781.28 = 38,781.28 : x
2. Step 2: Convert to fraction form
   17,754.19/38,781.28 = 38,781.28/x
3. Step 3: Cross multiply
   17,754.19x = 38,781.28 × 38,781.28
4. Step 4: Simplify right side
   17,754.19x = 1,503,987,775.39
5. Step 5: Solve for x
   x = 1,503,987,775.39/17,754.19
6. Step 6: Final answer
   x = 84,711.72