Finding the Third Proportional to 12,453.75 and 13,699.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,453.75 : 13,699.13 = 13,699.13 : x
2. Step 2: Convert to fraction form
   12,453.75/13,699.13 = 13,699.13/x
3. Step 3: Cross multiply
   12,453.75x = 13,699.13 × 13,699.13
4. Step 4: Simplify right side
   12,453.75x = 187,666,025.77
5. Step 5: Solve for x
   x = 187,666,025.77/12,453.75
6. Step 6: Final answer
   x = 15,069.04