Finding the Third Proportional to 90,756 and 199,008

Step by Step Solution

1. Step 1: Write the proportion equation
   90,756 : 199,008 = 199,008 : x
2. Step 2: Convert to fraction form
   90,756/199,008 = 199,008/x
3. Step 3: Cross multiply
   90,756x = 199,008 × 199,008
4. Step 4: Simplify right side
   90,756x = 39,604,184,064
5. Step 5: Solve for x
   x = 39,604,184,064/90,756
6. Step 6: Final answer
   x = 436,380.89