Finding the Third Proportional to 19,017.56 and 27,988.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,017.56 : 27,988.31 = 27,988.31 : x
2. Step 2: Convert to fraction form
   19,017.56/27,988.31 = 27,988.31/x
3. Step 3: Cross multiply
   19,017.56x = 27,988.31 × 27,988.31
4. Step 4: Simplify right side
   19,017.56x = 783,345,636.60
5. Step 5: Solve for x
   x = 783,345,636.60/19,017.56
6. Step 6: Final answer
   x = 41,190.64