Finding the Third Proportional to 17,621.50 and 37,993.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,621.50 : 37,993.75 = 37,993.75 : x
2. Step 2: Convert to fraction form
   17,621.50/37,993.75 = 37,993.75/x
3. Step 3: Cross multiply
   17,621.50x = 37,993.75 × 37,993.75
4. Step 4: Simplify right side
   17,621.50x = 1,443,525,039.06
5. Step 5: Solve for x
   x = 1,443,525,039.06/17,621.50
6. Step 6: Final answer
   x = 81,918.40