Finding the Third Proportional to 25,890 and 56,484

Step by Step Solution

1. Step 1: Write the proportion equation
   25,890 : 56,484 = 56,484 : x
2. Step 2: Convert to fraction form
   25,890/56,484 = 56,484/x
3. Step 3: Cross multiply
   25,890x = 56,484 × 56,484
4. Step 4: Simplify right side
   25,890x = 3,190,442,256
5. Step 5: Solve for x
   x = 3,190,442,256/25,890
6. Step 6: Final answer
   x = 123,230.68