Finding the Third Proportional to 91,168 and 191,550

Step by Step Solution

1. Step 1: Write the proportion equation
   91,168 : 191,550 = 191,550 : x
2. Step 2: Convert to fraction form
   91,168/191,550 = 191,550/x
3. Step 3: Cross multiply
   91,168x = 191,550 × 191,550
4. Step 4: Simplify right side
   91,168x = 36,691,402,500
5. Step 5: Solve for x
   x = 36,691,402,500/91,168
6. Step 6: Final answer
   x = 402,459.22