Finding the Third Proportional to 25,358 and 55,009

Step by Step Solution

1. Step 1: Write the proportion equation
   25,358 : 55,009 = 55,009 : x
2. Step 2: Convert to fraction form
   25,358/55,009 = 55,009/x
3. Step 3: Cross multiply
   25,358x = 55,009 × 55,009
4. Step 4: Simplify right side
   25,358x = 3,025,990,081
5. Step 5: Solve for x
   x = 3,025,990,081/25,358
6. Step 6: Final answer
   x = 119,330.79