Finding the Third Proportional to 2,706.47 and 5,912.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706.47 : 5,912.63 = 5,912.63 : x
2. Step 2: Convert to fraction form
   2,706.47/5,912.63 = 5,912.63/x
3. Step 3: Cross multiply
   2,706.47x = 5,912.63 × 5,912.63
4. Step 4: Simplify right side
   2,706.47x = 34,959,134.39
5. Step 5: Solve for x
   x = 34,959,134.39/2,706.47
6. Step 6: Final answer
   x = 12,916.88