Finding the Third Proportional to 11,412.75 and 12,506.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,412.75 : 12,506.25 = 12,506.25 : x
2. Step 2: Convert to fraction form
   11,412.75/12,506.25 = 12,506.25/x
3. Step 3: Cross multiply
   11,412.75x = 12,506.25 × 12,506.25
4. Step 4: Simplify right side
   11,412.75x = 156,406,289.06
5. Step 5: Solve for x
   x = 156,406,289.06/11,412.75
6. Step 6: Final answer
   x = 13,704.52