Finding the Third Proportional to 12,485.81 and 27,272.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,485.81 : 27,272.53 = 27,272.53 : x
2. Step 2: Convert to fraction form
   12,485.81/27,272.53 = 27,272.53/x
3. Step 3: Cross multiply
   12,485.81x = 27,272.53 × 27,272.53
4. Step 4: Simplify right side
   12,485.81x = 743,790,960.78
5. Step 5: Solve for x
   x = 743,790,960.78/12,485.81
6. Step 6: Final answer
   x = 59,570.89