Finding the Third Proportional to 25,890 and 55,472

Step by Step Solution

1. Step 1: Write the proportion equation
   25,890 : 55,472 = 55,472 : x
2. Step 2: Convert to fraction form
   25,890/55,472 = 55,472/x
3. Step 3: Cross multiply
   25,890x = 55,472 × 55,472
4. Step 4: Simplify right side
   25,890x = 3,077,142,784
5. Step 5: Solve for x
   x = 3,077,142,784/25,890
6. Step 6: Final answer
   x = 118,854.49