Finding the Third Proportional to 17,911.97 and 38,743.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,911.97 : 38,743.31 = 38,743.31 : x
2. Step 2: Convert to fraction form
   17,911.97/38,743.31 = 38,743.31/x
3. Step 3: Cross multiply
   17,911.97x = 38,743.31 × 38,743.31
4. Step 4: Simplify right side
   17,911.97x = 1,501,044,263.47
5. Step 5: Solve for x
   x = 1,501,044,263.47/17,911.97
6. Step 6: Final answer
   x = 83,801.19