Finding the Third Proportional to 19,743.75 and 36,636.05

Step by Step Solution

1. Step 1: Write the proportion equation
   19,743.75 : 36,636.05 = 36,636.05 : x
2. Step 2: Convert to fraction form
   19,743.75/36,636.05 = 36,636.05/x
3. Step 3: Cross multiply
   19,743.75x = 36,636.05 × 36,636.05
4. Step 4: Simplify right side
   19,743.75x = 1,342,199,930.63
5. Step 5: Solve for x
   x = 1,342,199,930.63/19,743.75
6. Step 6: Final answer
   x = 67,981.00