Finding the Third Proportional to 49,318 and 108,458

Step by Step Solution

1. Step 1: Write the proportion equation
   49,318 : 108,458 = 108,458 : x
2. Step 2: Convert to fraction form
   49,318/108,458 = 108,458/x
3. Step 3: Cross multiply
   49,318x = 108,458 × 108,458
4. Step 4: Simplify right side
   49,318x = 11,763,137,764
5. Step 5: Solve for x
   x = 11,763,137,764/49,318
6. Step 6: Final answer
   x = 238,516.12