Finding the Third Proportional to 8,527.78 and 12,476.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,527.78 : 12,476.53 = 12,476.53 : x
2. Step 2: Convert to fraction form
   8,527.78/12,476.53 = 12,476.53/x
3. Step 3: Cross multiply
   8,527.78x = 12,476.53 × 12,476.53
4. Step 4: Simplify right side
   8,527.78x = 155,663,832.03
5. Step 5: Solve for x
   x = 155,663,832.03/8,527.78
6. Step 6: Final answer
   x = 18,253.73