Finding the Third Proportional to 57,118.50 and 125,172

Step by Step Solution

1. Step 1: Write the proportion equation
   57,118.50 : 125,172 = 125,172 : x
2. Step 2: Convert to fraction form
   57,118.50/125,172 = 125,172/x
3. Step 3: Cross multiply
   57,118.50x = 125,172 × 125,172
4. Step 4: Simplify right side
   57,118.50x = 15,668,029,584
5. Step 5: Solve for x
   x = 15,668,029,584/57,118.50
6. Step 6: Final answer
   x = 274,307.44