Finding the Third Proportional to 17,621.47 and 37,993.65

Step by Step Solution

1. Step 1: Write the proportion equation
   17,621.47 : 37,993.65 = 37,993.65 : x
2. Step 2: Convert to fraction form
   17,621.47/37,993.65 = 37,993.65/x
3. Step 3: Cross multiply
   17,621.47x = 37,993.65 × 37,993.65
4. Step 4: Simplify right side
   17,621.47x = 1,443,517,618.42
5. Step 5: Solve for x
   x = 1,443,517,618.42/17,621.47
6. Step 6: Final answer
   x = 81,918.13