Finding the Third Proportional to 12,140.50 and 25,123.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,140.50 : 25,123.75 = 25,123.75 : x
2. Step 2: Convert to fraction form
   12,140.50/25,123.75 = 25,123.75/x
3. Step 3: Cross multiply
   12,140.50x = 25,123.75 × 25,123.75
4. Step 4: Simplify right side
   12,140.50x = 631,202,814.06
5. Step 5: Solve for x
   x = 631,202,814.06/12,140.50
6. Step 6: Final answer
   x = 51,991.50