Finding the Third Proportional to 25,730 and 55,311

Step by Step Solution

1. Step 1: Write the proportion equation
   25,730 : 55,311 = 55,311 : x
2. Step 2: Convert to fraction form
   25,730/55,311 = 55,311/x
3. Step 3: Cross multiply
   25,730x = 55,311 × 55,311
4. Step 4: Simplify right side
   25,730x = 3,059,306,721
5. Step 5: Solve for x
   x = 3,059,306,721/25,730
6. Step 6: Final answer
   x = 118,900.38