Finding the Third Proportional to 55,258.50 and 118,273

Step by Step Solution

1. Step 1: Write the proportion equation
   55,258.50 : 118,273 = 118,273 : x
2. Step 2: Convert to fraction form
   55,258.50/118,273 = 118,273/x
3. Step 3: Cross multiply
   55,258.50x = 118,273 × 118,273
4. Step 4: Simplify right side
   55,258.50x = 13,988,502,529
5. Step 5: Solve for x
   x = 13,988,502,529/55,258.50
6. Step 6: Final answer
   x = 253,146.62