Finding the Third Proportional to 12,880.31 and 27,144.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,880.31 : 27,144.19 = 27,144.19 : x
2. Step 2: Convert to fraction form
   12,880.31/27,144.19 = 27,144.19/x
3. Step 3: Cross multiply
   12,880.31x = 27,144.19 × 27,144.19
4. Step 4: Simplify right side
   12,880.31x = 736,806,915.04
5. Step 5: Solve for x
   x = 736,806,915.04/12,880.31
6. Step 6: Final answer
   x = 57,204.12