Finding the Third Proportional to 25,687 and 55,262

Step by Step Solution

1. Step 1: Write the proportion equation
   25,687 : 55,262 = 55,262 : x
2. Step 2: Convert to fraction form
   25,687/55,262 = 55,262/x
3. Step 3: Cross multiply
   25,687x = 55,262 × 55,262
4. Step 4: Simplify right side
   25,687x = 3,053,888,644
5. Step 5: Solve for x
   x = 3,053,888,644/25,687
6. Step 6: Final answer
   x = 118,888.49