Finding the Third Proportional to 17,918.72 and 28,461.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,918.72 : 28,461.38 = 28,461.38 : x
2. Step 2: Convert to fraction form
   17,918.72/28,461.38 = 28,461.38/x
3. Step 3: Cross multiply
   17,918.72x = 28,461.38 × 28,461.38
4. Step 4: Simplify right side
   17,918.72x = 810,049,866.89
5. Step 5: Solve for x
   x = 810,049,866.89/17,918.72
6. Step 6: Final answer
   x = 45,206.91