Finding the Third Proportional to 25,672 and 55,139

Step by Step Solution

1. Step 1: Write the proportion equation
   25,672 : 55,139 = 55,139 : x
2. Step 2: Convert to fraction form
   25,672/55,139 = 55,139/x
3. Step 3: Cross multiply
   25,672x = 55,139 × 55,139
4. Step 4: Simplify right side
   25,672x = 3,040,309,321
5. Step 5: Solve for x
   x = 3,040,309,321/25,672
6. Step 6: Final answer
   x = 118,429.00