Finding the Third Proportional to 211,190 and 459,558

Step by Step Solution

1. Step 1: Write the proportion equation
   211,190 : 459,558 = 459,558 : x
2. Step 2: Convert to fraction form
   211,190/459,558 = 459,558/x
3. Step 3: Cross multiply
   211,190x = 459,558 × 459,558
4. Step 4: Simplify right side
   211,190x = 211,193,555,364
5. Step 5: Solve for x
   x = 211,193,555,364/211,190
6. Step 6: Final answer
   x = 1,000,016.83