Finding the Third Proportional to 12,140 and 25,500

Step by Step Solution

1. Step 1: Write the proportion equation
   12,140 : 25,500 = 25,500 : x
2. Step 2: Convert to fraction form
   12,140/25,500 = 25,500/x
3. Step 3: Cross multiply
   12,140x = 25,500 × 25,500
4. Step 4: Simplify right side
   12,140x = 650,250,000
5. Step 5: Solve for x
   x = 650,250,000/12,140
6. Step 6: Final answer
   x = 53,562.60