Finding the Third Proportional to 34,554 and 55,009

Step by Step Solution

1. Step 1: Write the proportion equation
   34,554 : 55,009 = 55,009 : x
2. Step 2: Convert to fraction form
   34,554/55,009 = 55,009/x
3. Step 3: Cross multiply
   34,554x = 55,009 × 55,009
4. Step 4: Simplify right side
   34,554x = 3,025,990,081
5. Step 5: Solve for x
   x = 3,025,990,081/34,554
6. Step 6: Final answer
   x = 87,572.79