Finding the Third Proportional to 25,870 and 55,132

Step by Step Solution

1. Step 1: Write the proportion equation
   25,870 : 55,132 = 55,132 : x
2. Step 2: Convert to fraction form
   25,870/55,132 = 55,132/x
3. Step 3: Cross multiply
   25,870x = 55,132 × 55,132
4. Step 4: Simplify right side
   25,870x = 3,039,537,424
5. Step 5: Solve for x
   x = 3,039,537,424/25,870
6. Step 6: Final answer
   x = 117,492.75