Finding the Third Proportional to 25,515 and 53,353.69

Step by Step Solution

1. Step 1: Write the proportion equation
   25,515 : 53,353.69 = 53,353.69 : x
2. Step 2: Convert to fraction form
   25,515/53,353.69 = 53,353.69/x
3. Step 3: Cross multiply
   25,515x = 53,353.69 × 53,353.69
4. Step 4: Simplify right side
   25,515x = 2,846,615,969.85
5. Step 5: Solve for x
   x = 2,846,615,969.85/25,515
6. Step 6: Final answer
   x = 111,566.37