Finding the Third Proportional to 25,431.75 and 55,136.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,431.75 : 55,136.25 = 55,136.25 : x
2. Step 2: Convert to fraction form
   25,431.75/55,136.25 = 55,136.25/x
3. Step 3: Cross multiply
   25,431.75x = 55,136.25 × 55,136.25
4. Step 4: Simplify right side
   25,431.75x = 3,040,006,064.06
5. Step 5: Solve for x
   x = 3,040,006,064.06/25,431.75
6. Step 6: Final answer
   x = 119,535.86