Finding the Third Proportional to 17,890.88 and 30,486.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,890.88 : 30,486.38 = 30,486.38 : x
2. Step 2: Convert to fraction form
   17,890.88/30,486.38 = 30,486.38/x
3. Step 3: Cross multiply
   17,890.88x = 30,486.38 × 30,486.38
4. Step 4: Simplify right side
   17,890.88x = 929,419,060.64
5. Step 5: Solve for x
   x = 929,419,060.64/17,890.88
6. Step 6: Final answer
   x = 51,949.34