Finding the Third Proportional to 25,653 and 55,139

Step by Step Solution

1. Step 1: Write the proportion equation
   25,653 : 55,139 = 55,139 : x
2. Step 2: Convert to fraction form
   25,653/55,139 = 55,139/x
3. Step 3: Cross multiply
   25,653x = 55,139 × 55,139
4. Step 4: Simplify right side
   25,653x = 3,040,309,321
5. Step 5: Solve for x
   x = 3,040,309,321/25,653
6. Step 6: Final answer
   x = 118,516.72