Finding the Third Proportional to 25,720 and 52,155

Step by Step Solution

1. Step 1: Write the proportion equation
   25,720 : 52,155 = 52,155 : x
2. Step 2: Convert to fraction form
   25,720/52,155 = 52,155/x
3. Step 3: Cross multiply
   25,720x = 52,155 × 52,155
4. Step 4: Simplify right side
   25,720x = 2,720,144,025
5. Step 5: Solve for x
   x = 2,720,144,025/25,720
6. Step 6: Final answer
   x = 105,759.88