Finding the Third Proportional to 15,682.50 and 33,511.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,682.50 : 33,511.50 = 33,511.50 : x
2. Step 2: Convert to fraction form
   15,682.50/33,511.50 = 33,511.50/x
3. Step 3: Cross multiply
   15,682.50x = 33,511.50 × 33,511.50
4. Step 4: Simplify right side
   15,682.50x = 1,123,020,632.25
5. Step 5: Solve for x
   x = 1,123,020,632.25/15,682.50
6. Step 6: Final answer
   x = 71,609.80