Finding the Third Proportional to 20,028.94 and 31,136.91

Step by Step Solution

1. Step 1: Write the proportion equation
   20,028.94 : 31,136.91 = 31,136.91 : x
2. Step 2: Convert to fraction form
   20,028.94/31,136.91 = 31,136.91/x
3. Step 3: Cross multiply
   20,028.94x = 31,136.91 × 31,136.91
4. Step 4: Simplify right side
   20,028.94x = 969,506,930.82
5. Step 5: Solve for x
   x = 969,506,930.82/20,028.94
6. Step 6: Final answer
   x = 48,405.31