Finding the Third Proportional to 25,720 and 37,740

Step by Step Solution

1. Step 1: Write the proportion equation
   25,720 : 37,740 = 37,740 : x
2. Step 2: Convert to fraction form
   25,720/37,740 = 37,740/x
3. Step 3: Cross multiply
   25,720x = 37,740 × 37,740
4. Step 4: Simplify right side
   25,720x = 1,424,307,600
5. Step 5: Solve for x
   x = 1,424,307,600/25,720
6. Step 6: Final answer
   x = 55,377.43