Finding the Third Proportional to 17,971.88 and 38,221.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,971.88 : 38,221.88 = 38,221.88 : x
2. Step 2: Convert to fraction form
   17,971.88/38,221.88 = 38,221.88/x
3. Step 3: Cross multiply
   17,971.88x = 38,221.88 × 38,221.88
4. Step 4: Simplify right side
   17,971.88x = 1,460,911,728.52
5. Step 5: Solve for x
   x = 1,460,911,728.52/17,971.88
6. Step 6: Final answer
   x = 81,288.78