Finding the Third Proportional to 55,408.50 and 118,188

Step by Step Solution

1. Step 1: Write the proportion equation
   55,408.50 : 118,188 = 118,188 : x
2. Step 2: Convert to fraction form
   55,408.50/118,188 = 118,188/x
3. Step 3: Cross multiply
   55,408.50x = 118,188 × 118,188
4. Step 4: Simplify right side
   55,408.50x = 13,968,403,344
5. Step 5: Solve for x
   x = 13,968,403,344/55,408.50
6. Step 6: Final answer
   x = 252,098.57