Finding the Third Proportional to 50,555.25 and 77,442.75

Step by Step Solution

1. Step 1: Write the proportion equation
   50,555.25 : 77,442.75 = 77,442.75 : x
2. Step 2: Convert to fraction form
   50,555.25/77,442.75 = 77,442.75/x
3. Step 3: Cross multiply
   50,555.25x = 77,442.75 × 77,442.75
4. Step 4: Simplify right side
   50,555.25x = 5,997,379,527.56
5. Step 5: Solve for x
   x = 5,997,379,527.56/50,555.25
6. Step 6: Final answer
   x = 118,630.20