Finding the Third Proportional to 55,271.75 and 118,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,271.75 : 118,429.50 = 118,429.50 : x
2. Step 2: Convert to fraction form
   55,271.75/118,429.50 = 118,429.50/x
3. Step 3: Cross multiply
   55,271.75x = 118,429.50 × 118,429.50
4. Step 4: Simplify right side
   55,271.75x = 14,025,546,470.25
5. Step 5: Solve for x
   x = 14,025,546,470.25/55,271.75
6. Step 6: Final answer
   x = 253,756.15