Finding the Third Proportional to 25,143 and 55,086

Step by Step Solution

1. Step 1: Write the proportion equation
   25,143 : 55,086 = 55,086 : x
2. Step 2: Convert to fraction form
   25,143/55,086 = 55,086/x
3. Step 3: Cross multiply
   25,143x = 55,086 × 55,086
4. Step 4: Simplify right side
   25,143x = 3,034,467,396
5. Step 5: Solve for x
   x = 3,034,467,396/25,143
6. Step 6: Final answer
   x = 120,688.36