Finding the Third Proportional to 54,259.50 and 118,320

Step by Step Solution

1. Step 1: Write the proportion equation
   54,259.50 : 118,320 = 118,320 : x
2. Step 2: Convert to fraction form
   54,259.50/118,320 = 118,320/x
3. Step 3: Cross multiply
   54,259.50x = 118,320 × 118,320
4. Step 4: Simplify right side
   54,259.50x = 13,999,622,400
5. Step 5: Solve for x
   x = 13,999,622,400/54,259.50
6. Step 6: Final answer
   x = 258,012.37