Finding the Third Proportional to 25,188 and 55,300

Step by Step Solution

1. Step 1: Write the proportion equation
   25,188 : 55,300 = 55,300 : x
2. Step 2: Convert to fraction form
   25,188/55,300 = 55,300/x
3. Step 3: Cross multiply
   25,188x = 55,300 × 55,300
4. Step 4: Simplify right side
   25,188x = 3,058,090,000
5. Step 5: Solve for x
   x = 3,058,090,000/25,188
6. Step 6: Final answer
   x = 121,410.59