Finding the Third Proportional to 25,143 and 55,308

Step by Step Solution

1. Step 1: Write the proportion equation
   25,143 : 55,308 = 55,308 : x
2. Step 2: Convert to fraction form
   25,143/55,308 = 55,308/x
3. Step 3: Cross multiply
   25,143x = 55,308 × 55,308
4. Step 4: Simplify right side
   25,143x = 3,058,974,864
5. Step 5: Solve for x
   x = 3,058,974,864/25,143
6. Step 6: Final answer
   x = 121,663.08