Finding the Third Proportional to 12,496.50 and 26,140

Step by Step Solution

1. Step 1: Write the proportion equation
   12,496.50 : 26,140 = 26,140 : x
2. Step 2: Convert to fraction form
   12,496.50/26,140 = 26,140/x
3. Step 3: Cross multiply
   12,496.50x = 26,140 × 26,140
4. Step 4: Simplify right side
   12,496.50x = 683,299,600
5. Step 5: Solve for x
   x = 683,299,600/12,496.50
6. Step 6: Final answer
   x = 54,679.28