Finding the Third Proportional to 19,116.25 and 39,576.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,116.25 : 39,576.50 = 39,576.50 : x
2. Step 2: Convert to fraction form
   19,116.25/39,576.50 = 39,576.50/x
3. Step 3: Cross multiply
   19,116.25x = 39,576.50 × 39,576.50
4. Step 4: Simplify right side
   19,116.25x = 1,566,299,352.25
5. Step 5: Solve for x
   x = 1,566,299,352.25/19,116.25
6. Step 6: Final answer
   x = 81,935.49