Finding the Third Proportional to 91,830 and 200,508

Step by Step Solution

1. Step 1: Write the proportion equation
   91,830 : 200,508 = 200,508 : x
2. Step 2: Convert to fraction form
   91,830/200,508 = 200,508/x
3. Step 3: Cross multiply
   91,830x = 200,508 × 200,508
4. Step 4: Simplify right side
   91,830x = 40,203,458,064
5. Step 5: Solve for x
   x = 40,203,458,064/91,830
6. Step 6: Final answer
   x = 437,803.09