Finding the Third Proportional to 17,613 and 36,680.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,613 : 36,680.63 = 36,680.63 : x
2. Step 2: Convert to fraction form
   17,613/36,680.63 = 36,680.63/x
3. Step 3: Cross multiply
   17,613x = 36,680.63 × 36,680.63
4. Step 4: Simplify right side
   17,613x = 1,345,468,250.39
5. Step 5: Solve for x
   x = 1,345,468,250.39/17,613
6. Step 6: Final answer
   x = 76,390.63