Finding the Third Proportional to 191,811 and 448,009

Step by Step Solution

1. Step 1: Write the proportion equation
   191,811 : 448,009 = 448,009 : x
2. Step 2: Convert to fraction form
   191,811/448,009 = 448,009/x
3. Step 3: Cross multiply
   191,811x = 448,009 × 448,009
4. Step 4: Simplify right side
   191,811x = 200,712,064,081
5. Step 5: Solve for x
   x = 200,712,064,081/191,811
6. Step 6: Final answer
   x = 1,046,405.39