Finding the Third Proportional to 25,720 and 55,502

Step by Step Solution

1. Step 1: Write the proportion equation
   25,720 : 55,502 = 55,502 : x
2. Step 2: Convert to fraction form
   25,720/55,502 = 55,502/x
3. Step 3: Cross multiply
   25,720x = 55,502 × 55,502
4. Step 4: Simplify right side
   25,720x = 3,080,472,004
5. Step 5: Solve for x
   x = 3,080,472,004/25,720
6. Step 6: Final answer
   x = 119,769.52