Finding the Third Proportional to 20,665.13 and 36,181.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,665.13 : 36,181.69 = 36,181.69 : x
2. Step 2: Convert to fraction form
   20,665.13/36,181.69 = 36,181.69/x
3. Step 3: Cross multiply
   20,665.13x = 36,181.69 × 36,181.69
4. Step 4: Simplify right side
   20,665.13x = 1,309,114,510.35
5. Step 5: Solve for x
   x = 1,309,114,510.35/20,665.13
6. Step 6: Final answer
   x = 63,348.98