Finding the Third Proportional to 17,781.38 and 38,843.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,781.38 : 38,843.25 = 38,843.25 : x
2. Step 2: Convert to fraction form
   17,781.38/38,843.25 = 38,843.25/x
3. Step 3: Cross multiply
   17,781.38x = 38,843.25 × 38,843.25
4. Step 4: Simplify right side
   17,781.38x = 1,508,798,070.56
5. Step 5: Solve for x
   x = 1,508,798,070.56/17,781.38
6. Step 6: Final answer
   x = 84,852.72