Finding the Third Proportional to 57,673.50 and 125,139

Step by Step Solution

1. Step 1: Write the proportion equation
   57,673.50 : 125,139 = 125,139 : x
2. Step 2: Convert to fraction form
   57,673.50/125,139 = 125,139/x
3. Step 3: Cross multiply
   57,673.50x = 125,139 × 125,139
4. Step 4: Simplify right side
   57,673.50x = 15,659,769,321
5. Step 5: Solve for x
   x = 15,659,769,321/57,673.50
6. Step 6: Final answer
   x = 271,524.52