Finding the Third Proportional to 191,380 and 447,008

Step by Step Solution

1. Step 1: Write the proportion equation
   191,380 : 447,008 = 447,008 : x
2. Step 2: Convert to fraction form
   191,380/447,008 = 447,008/x
3. Step 3: Cross multiply
   191,380x = 447,008 × 447,008
4. Step 4: Simplify right side
   191,380x = 199,816,152,064
5. Step 5: Solve for x
   x = 199,816,152,064/191,380
6. Step 6: Final answer
   x = 1,044,080.64