Finding the Third Proportional to 25,680 and 56,112

Step by Step Solution

1. Step 1: Write the proportion equation
   25,680 : 56,112 = 56,112 : x
2. Step 2: Convert to fraction form
   25,680/56,112 = 56,112/x
3. Step 3: Cross multiply
   25,680x = 56,112 × 56,112
4. Step 4: Simplify right side
   25,680x = 3,148,556,544
5. Step 5: Solve for x
   x = 3,148,556,544/25,680
6. Step 6: Final answer
   x = 122,607.34