Finding the Third Proportional to 79,074 and 189,009

Step by Step Solution

1. Step 1: Write the proportion equation
   79,074 : 189,009 = 189,009 : x
2. Step 2: Convert to fraction form
   79,074/189,009 = 189,009/x
3. Step 3: Cross multiply
   79,074x = 189,009 × 189,009
4. Step 4: Simplify right side
   79,074x = 35,724,402,081
5. Step 5: Solve for x
   x = 35,724,402,081/79,074
6. Step 6: Final answer
   x = 451,784.43