Finding the Third Proportional to 50,139 and 118,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,139 : 118,354.50 = 118,354.50 : x
2. Step 2: Convert to fraction form
   50,139/118,354.50 = 118,354.50/x
3. Step 3: Cross multiply
   50,139x = 118,354.50 × 118,354.50
4. Step 4: Simplify right side
   50,139x = 14,007,787,670.25
5. Step 5: Solve for x
   x = 14,007,787,670.25/50,139
6. Step 6: Final answer
   x = 279,379.08