Finding the Third Proportional to 91,168 and 191,549

Step by Step Solution

1. Step 1: Write the proportion equation
   91,168 : 191,549 = 191,549 : x
2. Step 2: Convert to fraction form
   91,168/191,549 = 191,549/x
3. Step 3: Cross multiply
   91,168x = 191,549 × 191,549
4. Step 4: Simplify right side
   91,168x = 36,691,019,401
5. Step 5: Solve for x
   x = 36,691,019,401/91,168
6. Step 6: Final answer
   x = 402,455.02