Finding the Third Proportional to 16,781.63 and 36,190.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781.63 : 36,190.69 = 36,190.69 : x
2. Step 2: Convert to fraction form
   16,781.63/36,190.69 = 36,190.69/x
3. Step 3: Cross multiply
   16,781.63x = 36,190.69 × 36,190.69
4. Step 4: Simplify right side
   16,781.63x = 1,309,765,861.72
5. Step 5: Solve for x
   x = 1,309,765,861.72/16,781.63
6. Step 6: Final answer
   x = 78,047.62